50+ marketing: marketing, communicating, and selling to the over 50s generations
Tréguer, Jean-Paul
Houndmills, Basingstoke, Hampshire . Palgrave. 2002. xx, 172 p.
ISBN 0333984129

The 50-meter jungle: how Olympic gold medal swimmers are made
Chavoor, Sherman ; Davidson, Bill
New York. Coward, McCann, Geoghegan. [1973]. 223 p.
ISBN 0698105591

50 modern American & British poets, 1920-1970
Untermeyer, Louis
New York. McKay. [1973]. xxv, 358 p.

The 50 most frequent diagnosis-related groups (DRGs), diagnoses, and procedures: statistics by hospital size and location
Lemrow, Nancy
Rockville, MD. U.S. Dept. of Health and Human Services, Public Health Service, Agency for Health Care Policy and Research. [1990]. vi, 110 p.

50 New York artists: a critical selection of painters and sculptors working in New York
Marshall, Richard ; Mapplethorpe, Robert
San Francisco. Chronicle Books. c1986. 118 p.
ISBN 0877014035

50 plus!: critical career decisions for the rest of your life
Dilenschneider, Robert L
New York. Citadel Press. c2002. xi, 191 p.
ISBN 0806523123

The 50-plus market: why the future is age neutral when it comes to marketing & branding strategies
Stroud, Dick
London . Kogan Page. 2005. xvi, 314 p.
ISBN 0749442581

50 poems
Mandelʹshtam, Osip ; Meares, Bernard
New York. Persea Books. c1977. 117 p.
ISBN 0892550058

50 poems, E. E. C's
Cummings, E. E
New York. Duell, Sloan and Pearce. [c1940]. 4 p. l., 50 numb. l., 1 l.

50 poetas modernos
Roig, Pedro
Miami, Fla. Ediciones Universal. [1973]. 172 p.

50 Political Cartoons for Teaching U.S. History
Heitzmann, Wm. Ray xzo
Villanova Institute.

50 preguntas y respuestas ?! sobre bonos de ahorro del gobierno
Washington, DC. Oficina de Relaciones Públicas, División de Bonos de Ahorro del Gobierno, Departamento del Tesoro. [1984?]. 12 p.

50 problem-solving lessons: grades 1-6
Burns, Marilyn
Sausalito, CA. Math Solutions Publications. c1996. 183 p.
ISBN 0941355160

50 rules to keep a client happy
Poppe, Fred C
New York. Harper & Row. c1987. 90 p.
ISBN 0060157798

50 Russian art songs, from Glinka to Shostakovich
Slonimsky, Nicolas
New York. Leeds. c1949-51. 3 v.

50s: all-American ads
Heimann, Jim
Köln . Taschen. c2002. 925 p.
ISBN 3822811580

50s cars
Heimann, Jim
Köln . Taschen. c2002. 181 p.
ISBN 3822816302

50s decorative art: a source book
Fiell, Peter ; Fiell, Charlotte
Köln . Taschen. c2000. 575 p.
ISBN 3822866199

50 secrets of magic craftsmanship
Dalí, Salvador ; Chevalier, Haakon
New York. Dial Press. 1948. 192 p.

50 self-help classics: 50 inspirational books to transform your life
Butler-Bowdon, Tom
London . Nicholas Brealey Pub. 2003. vi, 303 p.
ISBN 0585437440

50s fashion: vintage fashion and beauty ads
Heimann, Jim ; Schooling, Laura
Hong Kong. Taschen. 2007. 1 v. (unpaged).
ISBN 9783822849330

50 simple things kids can do to recycle
Montez, Michele
Berkeley, CA. Earth Works Press. c1994. 144 p.

50 simple things kids can do to save the earth
Javana, John
Kansas City, MO. Andrews and McMeel. c1990. 156 p.
ISBN 0836223012

50 simple things kids can do to save the earth
Javna, John
Los Angeles, CA. Churchill Media. [1992?]. 2 videocassettes (48 min.).
ISBN 0793228050

50 simple things you can do to save the earth
Berkeley, CA. Earthworks Press. c1989. 96 p.
ISBN 0929634063

50 simple things you can do to save your customers: using the master key to career success
Timm, Paul R
Hawthorne, NJ. Career Press. c1992. vi, 86 p.
ISBN 1564140164

50 simple things your business can do to save the earth
Berkeley, Calif. Earth Works Press. c1991. 120 p.
ISBN 1879682028

50 social studies strategies for K-8 classrooms
Obenchain, Kathryn M ; Morris, Ronald V
Upper Saddle River, N.J. Merrill/Prentice Hall. c2003. xv, 156 p.
ISBN 0130284637

The 50% solution: how to bargain successfully with hijackers, strikers, bosses, oil magnates, Arabs, Russians, and other worthy opponents in this modern world
Zartman, I. William
Garden City, N.Y. Anchor Press. 1976. x, 549 p.
ISBN 0385096569

50 sports wares: innovations in design and materials
Byars, Mel
Hove. RotoVision. 1999. 158 p.
ISBN 2880464188

50 spring birds
Brooks, Allan
New York, N.Y. National Audubon Society. c1970. 50 flash cards.

The 50 States and their local governments
Fesler, James William ; Bosworth, Karl A
New York. Knopf. [1967]. xviii, 603 p.

50 states commemorative coin program study
[Washington, D.C.?. U.S. Dept. of the Treasury, U.S. Mint. 1997].

50 strategies for substance abuse treatment
Brown, Barry S
Rockville, Md. (Rockwall II, 5600 Fishers Lane, Rockville 20857). U.S. Dept. of Health and Human Services, Substance Abuse and Mental Health Services Administration, Center for Substance Abuse Treatment. [1997]. iv, 148 p.

50 summer birds
Brooks, Allan
New York, N.Y. National Audubon Society. c1971. 50 flash cards.

50th anniversary
Melchior, Lauritz
[U.S.]. Asco. 1961. 2 sound discs.

50th anniversary: 1943 - McAlester AAP - 1993
[McAlester, Okla.]. The AAP. [1993]. 113 p.

50th anniversary, 20 October 1992
Aberdeen Proving Ground, Md. U.S. Army Environmental Hygiene Agency. [1993]. 1 v. (various pagings).

50th anniversary concert
Liles, Jack ; Albin, William R
Huntington Station, NY. Silver Crest. [1983]. 1 sound disc.

50th anniversary, Medical Center, Roseburg, Oregon: 1933-1983
Roseburg, Or. The Center. [1983]. [4], 40 p.

50 true tales of terror
Canning, John
New York. Bantam Books. c1972. 495 p.
ISBN 55307755150

50 vacas gordas
Chocrón, Isaac E
Caracas. Monte Avila Editores. 1980. 256 p.

50 variations on a waltz theme
Diabelli, Anton ; Kann, Hans

... 50 [Cinquanta] ville del nostro tempo
Aloi, Roberto ; Pica, Agnoldomenico
Milano. Hoepli. [c1970]. 351 p.

50 Wall Street
Vartan, Vartanig G
New York. McGraw-Hill. [1967, c1968]. 341 p.

50 ways to bring out the smarts in your kid
Kennedy, Marge M
Princeton, N.J. Peterson's. 1996. 211 p.
ISBN 1560795905

50 ways to close a sale (and keep the customer for life)
Michaelson, Gerald A
New York. W. Morrow. 1994. 121 p.
ISBN 0688115675

50 ways to fight censorship: and important facts to know about the censors
Marsh, Dave
New York, NY. Thunder's Mouth Press. c1991. xiv, 128 p.
ISBN 1560250119

50 ways to get hired
Messmer, Max
New York. W. Morrow. c1994. 124 p.
ISBN 0688115667

50 ways to improve women's lives: the essential women's guide for achieving equality, health, and success
Burk, Martha
Maui, Hawaii. Inner Ocean. 2005. 182 p.
ISBN 1930722451

The 50+ wellness program
McIlwain, Harris H
New York. J. Wiley. c1990. xvi, 316 p.
ISBN 0471506869

50 west coast artists: a critical selection of painters and sculptors working in California
Hopkins, Henry ; Jacobs, Mimi ; Bullis, Douglas
San Francisco. Chronicle Books. 1981. 127 p.
ISBN 0877011923

50 winter birds
Brooks, Allan
New York, N.Y. National Audubon Society. c1970. 50 flash cards.

50 wonders of Tutankhamun
Silverman, David P
New York. Crown. [1978]. 104 p.
ISBN 0517535491

50 years: Ohio golden jubilee years, 1901-1951
Columbus]. Ohio Congress of Parents and Teachers. [1951]. 123 p.

50 years, 1940-1990: Northern Regional Research Center
Peoria, IL. Agricultural Research Service. [1990]. 14 p.

50 years, Air Force, 1947-1997
[Washington, D.C.?]. Air Force. [1997?]. 1 sheet.

50 years a Keynesian and other essays
Harcourt, Geoffrey Colin
Houndmills, Basingstoke, Hampshire . Palgrave. 2001. xii, 364 p.
ISBN 0333946332

50 Years at the Division of Nursing: United States Public Health Service
Hyattsville, MD. Dept. of Health, Education, and Welfare, Public Health Service, Health Resources Administration, Bureau of Health Manpower, Division of Nursing. 1997. 35 p.

50 years at the service of miners and the coal industry
Luxembourg. European Coal and Steel Community. [2000]. 44 p.
ISBN 9289405309

50 years Bauhaus: German exhibition
Herzogenrath, Wulf
Chicago. Illinois Institute of Technology. 1969. 365 p.

50 years in steel, the story of the Youngstown Sheet and Tube Company: this is America
[Youngstown, Ohio. c1950]. 71 p.

50 years is enough: the case against the World Bank and the International Monetary Fund
Danaher, Kevin
Boston, MA. South End Press. c1994. xiii, 210 p.
ISBN 0896084965

50 years of achievement: the cooperative research unit program in fisheries and wildlife, 1935-1985
Lendt, David L ; Klaas, Erwin E ; Moring, John R ; Gregory, Richard W
Washington, D.C. U.S. Dept. of Interior, Fish and Wildlife Service. 1984. [23] p.

50 years of advertising as seen through the eyes of Advertising age, 1930-1980
Marin, Allan
Chicago, Ill. Crain Communications. c1980. 283 p.

50 years of Ballet Rambert, 1926-1976
Crisp, Clement ; Sainsbury, Anya ; Williams, Peter
[Ilkley, Eng.]. Scolar Press. 1976. 64 p.

50 years of DNA
Clayton, Julie ; Dennis, Carina
New York. Palgrave Macmillan. 2003. 144 p.
ISBN 1403914796

50 years of figures on Europe: data 1952-2001
Luxembourg. Office for Official Publications of the European Communities. 2003. 151 p.
ISBN 9289452617

50 years of flight
Johannesburg. Da Gama. [1970]. 144 p.

50 years of human engineering: history and cumulative bibliography of the Fitts Human Engineering Division
Green, Rebecca J ; Self, Herschel C ; Ellifritt, Tanya S
Wright-Patterson Air Force Base, Ohio. Crew Systems Directorate, Armstrong Laboratory, Air Force Materiel Command. 1995. 1 v. (various pagings).

50 years of modern art
Langui, Emile
New York. Praeger. [1959]. 335 p.

50 years of movie posters
Kobal, John
New York. Bounty Books. [1973?]. 175 p. (chiefly illus., part col.).
ISBN 0517513862

50 years of notable books
[Chicago, Ill.]. Booklist Publications. 1996. viii, 192 p.
ISBN 0838978363

50 years of occupational health
Washington. [For sale by the Superintendent of Documents, U. S. Govt. Print. Off.]. 1964. 1 v. (unpaged).

50 years of ocean discovery: National Science Foundation, 1950-2000
Washington, D.C. National Academy Press. 2000. vi, 269 p., [8] p. of plates.
ISBN 0309063981

50 years of photography
Riboud, Marc
Paris. Flammarion. c2004. 175 p.
ISBN 208030447X

50 years of population change along the nation's coasts, 1960-2010
Culliton, Thomas J
Rockville, Md. Strategic Assessment Branch, Ocean Assessments Division, Office of Oceanography and Marine Assessment, National Ocean Service, National Oceanic and Atmospheric Administration. [1990]. 41 p.

50 years of progress: an overview of the President's Committee on Employment of People with Disabilities
Ross, Ruth-Ellen
Washington, DC (1331 F St., NW, Washington 20004-1107). President's Committee on Employment of People with Disabilities. [1997]. 34 p.

50 years of public land management: 1934-1984
Washington, D.C. U.S. Dept. of the Interior, Bureau of Land Management. [1984]. 27 p.

50 years of reclamation: financial report to the nation's stockholders, 1902-1952
[Washington, D.C.]. U.S. Dept. of the Interior, Bureau of Reclamation. 1952. 32 p.

50 years of research on man in flight
Dempsey, Charles A
[Wright-Patterson Air Force Base, Ohio]. U.S. Air Force. 1985. xxxii, 215 p.

50 years of Soviet power
Huberman, Leo
New York. MR Press. 1967. 94 p.

50 years of the Conference of European Statisticians
Malaguerra, C
Geneva. United Nations. 2003. viii, 179 p.
ISBN 9211168554

50 years of the ECSC treaty: coal and steel statistics : data 1952-2000 : pocketbook
Luxembourg. Office for Official Publications of the European Communities. 2002. x, 112 p.
ISBN 9289437154

50 years of the San Francisco opera
Bloomfield, Arthur J
San Francisco. San Francisco Book Co. [1972]. xi, 450 p.
ISBN 0913374008

50 years' progress of American labor
Washington, D.C. U.S. Dept. of Labor, Bureau of Labor Statistics. [1950]. ii, 192 p.

50 years restoring America's wildlife 1937-1987
[Washington, D.C.?]. U.S. Dept. of the Interior, Fish and Wildlife Service. [1987?]. 15 p.

The 50 years war: Israel and the Arabs
Bregman, Ahron ; El-Tahri, Jihan ; Percy, Norma ; Richards, Dai ; Dor-Ner, Zvi ; Lyman, Will
[Virginia?]. PBS Home Video. c1999. 2 videocassettes (300 min.).
ISBN 0780625935

50 years with Waverly, 1901-1951: a story of and by the First National Bank : the story of a county that grew and a bank that prospered with it
Kalfs, Barbara Bolmer
Waverly, Ohio. The Bank. [1951?]. 43 p.