501 challenging logic and reasoning problems
New York, NY. Learning Express. c1999. 162 p.
ISBN 058529464X

501 French verbs fully conjugated in all the tenses in a new easy-to-learn format
Kendris, Christopher
Hauppauge, N.Y. Barron's Educational Series. c1996. xxx, 688 p.
ISBN 0812092813

501 German verbs fully conjugated in all the tenses: in a new easy-to-learn format, alphabetically arranged
Strutz, Henry
Hauppauge, N.Y. Barron's Educational Series. c1998. xxxiv, 585 p.
ISBN 0764102842

501 grammar and writing questions
New York. LearningExpress. 1999. 192 p. cm.
ISBN 0585232555

501+ great interview questions for employers and the best answers for prospective employees
Podmoroff, Dianna
Ocala, Fla. Atlantic Pub. Group. c2005. 284 p.
ISBN 0910627509

501 Italian verbs: fully conjugated in all the tenses in a new easy-to-learn format alphabetically arranged
Colaneri, John ; Luciani, Vincent
Hauppauge, N.Y. Barron's. c1992. xxiv, 518 p.
ISBN 0812047575

501 Japanese verbs: fully described in all inflections, moods, aspects, and formality levels in a new easy-to-learn format, alphabetically arranged
Lange, Roland A
Hauppauge, N.Y. Barron's Educational Series, Inc. c1998. xxxvii, 585 p.
ISBN 0764102850

501 Questions & Answers for Company Directors & Company Secretaries
London. Thorogood Publishing Ltd.

501 reading comprehension questions
New York. Learning Express. c1999. 192 p. cm.
ISBN 0585227993

501 Russian verbs: fully conjugated in all the tenses in a new, easy-to-learn format, alphabetically arranged
Beyer, Thomas R
Hauppauge. Barron's. c2008. xxvi, 686 p.
ISBN 9780764137433

501 Russian verbs: fully conjugated in all the tenses, alphabetically arranged
Beyer, Thomas R
Hauppauge, N.Y. Barron's. c2001. xxvi, 592 p.
ISBN 0764113496

501 Spanish verbs: fully conjugated in all the tenses in a new, easy-to-learn format, alphabetically arranged
Kendris, Christopher ; Kendris, Theodore
Hauppauge, NY. Barron's Educational Series. c2007. vi, 729 p.
ISBN 0764179845

501 Spanish verbs
Kendris, Christopher ; Kendris, Theodore
Hauppauge, N.Y. Barron's Educational Series. c2003. xl, 677 p.
ISBN 0764124285

501 tips for teachers
Ramsey, Robert D
Chicago. Contemporary Books. c2003. ix, 212 p.
ISBN 0071409882

501 ways to use the overhead projector
Green, Lee
Littleton, Colo. Libraries Unlimited, Inc. 1982. 157 p.
ISBN 0872873390

501 web site secrets: unleash the power of Google, Amazon, eBay, and more
Miller, Michael
Indianapolis, IN. Wiley. c2004. xxi, 410 p.
ISBN 076455901X

502 direct rural housing loan program summary
[Washington, D.C.]. USDA, Rural Development. [1999?]. 1 folded sheet (6 p.).

504 Loan Program: facts for lenders
[Washington, DC]. U.S. Small Business Administration. [1992]. 1 folded sheet (6 p.).

50, a celebration of Sun & Moon classics
Messerli, Douglas
Los Angeles. Sun & Moon Press. 1995. 574 p.
ISBN 155713152X

50 activities for developing management skills
Rae, Leslie ; Williams, Teresa ; Zandstra, Jack
Brookfield, Vt., U.S.A. Gower. c1988-. v.
ISBN 0566027682

50 activities for Unblocking organizational communication
Francis, Dave ; Francis, Dave
Aldershot, Hants, England . Gower Pub. Co. c1987. vii, 231 p.
ISBN 056602571X

50 African American audition monologues
Edwards, Gus
Portsmouth, NH. Heinemann. c2002. xii, 89 p.
ISBN 0325004579

The 50% American: immigration and national identity in an age of terror
Renshon, Stanley Allen
Washington, D.C. Georgetown University Press. c2005. xxi, 273 p.
ISBN 1589010671

50+ and looking for love online
Harrison, Barbara
Freedom, Calif. Crossing Press. c2000. 183 p.
ISBN 1580910424

50 anni di architettura in Ticino, 1930-1980
Disch, Peter
Bellinzona. Grassico pubblicità. c1983. 162 p.

50 [i.e. Cinquanta] anni di pubblicità in Italia
Villani, Dino
Milano. Editrice L'Ufficio moderno. [1957]. 529 p.

50 años de arquitectura española, I [-II] (1900-1950)
Ucha Donate, Rodolfo ; Giner de los Ríos, Bernardo
Madrid. Adir. 1980. 2 v.
ISBN 848577700X

50 awesome ways kids can help animals: fun and easy ways to be a kind kid
Newkirk, Ingrid ; Newkirk, Ingrid
New York. Warner Books. 2006. xxi, 278 p.
ISBN 0446698288

50 beds: innovations in design and materials
Byars, Mel
Crans-Prés-Celigny, Switzerland. RotoVision SA. [2000]. 158 p.
ISBN 2880464498

50 below zero
Munsch, Robert N
Toronto . Annick Press. c1986. [19] p.
ISBN 0920236863

50 best American short stories 1915-1939
O'Brien, Edward Joseph Harrington
Boston. Houghton Mifflin Company. 1939. x p., 1 l., 868 p.

50 best jobs for your personality
Farr, J. Michael ; Shatkin, Laurence
Indianapolis, IN. JIST Pub. c2005. xiv, 466 p.
ISBN 1593571771

50 best plays of the American theatre
Barnes, Clive ; Gassner, John
New York. Crown. [1969]. 4 v.

50 content area strategies for adolescent literacy
Fisher, Douglas
Upper Saddle River, N.J. Merrill/Pearson. c2007. v, 143 p.
ISBN 0131745441

The 50 coolest jobs in sports: who's got them, what they do, and how you can get one!
Fischer, David
New York. Macmillan USA. c1997. xix, 297 p.
ISBN 0028618726

50 creative training closers
Pike, Robert W ; Solem, Lynn
San Francisco. Jossey-Bass/Pfeiffer. c1997. xiv, 116 p.
ISBN 0787939714

50 creative training openers & energizers: innovative ways to start your training with a bang!
Pike, Robert W ; Solem, Lynn
San Francisco. Jossey-Bass/Pfeiffer. c2000. xi, 159 p.
ISBN 0787953032

50 dollars reward: absconded from on board the sloop Jolly Miller, in Baltimore on the 28th inst., a negro man named Jack, sometimes calls himself Jack Alexander
Divers, Ananias
Baltimore [Md.]. Printed by W. Pechin. [1810]. 1 broadside.

50 drawings
Davenport, Guy
New York. Dim Gray Bar Press. c1996. [6], l p.

50e [i.e. Cinquantième] anniversaire: Lycée de Jeunes Filles d'Esche-sur-Alzette, 1911-1961
[Esch]. Impr. Coopérative Luxembourgeoise Esch-sur-Alzette. 1961. 139 p., [18] leaves of plates.

50e anniversaire du C O L
Luxembourg. Bourg-Bourger. [1964?]. 160, xx p.

50 early childhood literacy strategies
Beaty, Janice J
Upper Saddle River, N.J. Pearson/Merrill/Prentice Hall. c2005. xiii, 158 p.
ISBN 0131181548

50er Jahre Wandmasken: Schönheit und Exotik (Deutschland und Österreich) = Wall masks of the 1950s : beautiful and exotic (Germany and Austria)
Makus, Horst
Stuttgart. Arnoldsche. 2000. 247 p.
ISBN 3897901536

50 fabulous places to raise your family
Rosenberg, Lee ; Rosenberg, Saralee H
Hawthorne, NJ. Career Press. c1993. 320 p.
ISBN 1564140342

50 fast Adobe Premiere 6.5 techniques
Kennedy, Pete ; Kennedy, Maura
New York, NY. Wiley Pub. c2003. xxv, 323 p., [32] p. of plates.
ISBN 0764524453

50 fast Dreamweaver MX techniques
Warner, Janine ; Berkowitz, Ivonne ; Gonzalez, Yanier
New York. John Wiley. 2003.
ISBN 0764538942

50 fast Final Cut Pro 3 techniques
Meehan, Tim
New York, NY. Wiley Pub. c2003. xxix, 287 p.
ISBN 0764524461

50 fast Macromedia Flash MX techniques
Finkelstein, Ellen ; Leete, Gurdy
Indianapolis, IN. Wiley Pub. c2002. xxviii, 227 p.
ISBN 0764536923

50 games to play in the library or classroom
Lee, Carol K ; Edwards, Fay
Shepherdstown, W.Va. Alleyside Press. c1988. x, 117 p.
ISBN 0913853062

50 German songs: for voice and piano
Bastable, Graham
New York. International Music Co. c1993. 1 score (xix, 162 p.).

50 golden Christmas songs
Radics, Bill
Hialeah, Fla. Columbia Pictures Pub. c1976. 68 p.

50 great Americans: their inspiring lives and achievements
Thomas, Henry ; Thomas, Dana Lee
Garden City, N.Y. Doubleday. 1948. viii, 468 p.

50 great American short stories
Crane, Milton
New York. Bantam Books. [1965]. x, 502 p.

The 50 greatest movies never made
Gore, Chris
New York. St. Martin's Griffin. 1999. 233 p.
ISBN 031220082X

50 great horror stories
Canning, John
New York. Bantam. 1973, c1971. [xiv], 499 p.

50 great make-it, take-it projects
Gilbert, LaBritta
Fort Atkinson, Wis. Upstart Books. c2002. 75 p.
ISBN 1579500706

50 great short stories
Crane, Milton
New York. Bantam Books. [1967]. 470 p.

The 50 great states: a hands-on learning game and thematic unit
Schafer, Liza
New York. Scholastic Professional Books. 1993. 1 game ( 1 playing board, 6 tourist playing pieces, 8 souvenir suitcases, 1 resource cube, 50 great states cards, 50 souvenir cards, 1 souvenir shop mat).
ISBN 0590493418

50 great tips, tricks and techniques to connect with your teen
Ciavola, Debra Susan Hapenny
Oakland, Calif. New Harbinger. 2003. 109 p.
ISBN 1572243597

50 hours: a core curriculum for college students
Cheney, Lynne V
Washington, D.C. National Endowment for the Humanities. [1989]. 66 p.

50 [Fünfzig] Jahre Diplomat in der grossen Welt
Reynoso, Francisco de ; Kleeman, Alice Pentlarge
Dresden. C. Reissner. 1935. 281 p.

50 Jahre Fernsprecher in Deutschland 1877-1927
Feyerabend, Ernst
Berlin. Gedruckt in der Reichsdruckerei. 1927. 231 p.

50 Jahre im bild: Bundesrepublik Deutschland = 50 years in pictures : Federal Republic of Germany
Kosthorst, Daniel ; Lappenküper, Ulrich ; Weichert, Ulrich
Köln. Könemann. c1999. 563 p.
ISBN 3829028695

50 let sovetskogo iskusstva: khudozhniki teatra
Konechna, G. P ; Lifatov, Sergeĭ
Moskva. Sovetskiĭ Khudozhnik. 1969. 271 p.

50 let vooruzhennykh sil SSSR: [1918-1968.]
Skorobogatkin, K. F
Moskva. Voenizdat. 1968. 583 p.

50 literacy strategies: step by step
Tompkins, Gail E
Upper Saddle River, N.J. Merrill. c1998. iv, 124 p.
ISBN 0138603707

50 literacy strategies: step by step
Tompkins, Gail E
Upper Saddle River, N.J. Pearson/Merrill/Prentice Hall. c2004. v, 122 p.
ISBN 013112188X

50 literacy strategies for beginning teachers, 1-8
Norton, Terry ; Land, Betty Lou Jackson
Upper Saddle River, N.J. Pearson/Merrill Prentice Hall. c2008. vi, 168 p.
ISBN 0132243024

50 literacy strategies for culturally responsive teaching, K-8
Schmidt, Patricia Ruggiano ; Ma, Wen
Thousand Oaks, Calif. Corwin Press. c2006. xix, 140 p.
ISBN 1412925711

50 lithographs
Rosenberg, James N
New York. H.N. Abrams. 1964. 1 v. (chiefly illus.).