31 hours in the Tongue of the Ocean: sound speed, temperature, etc
Piip, Ants T
Palisades, N.Y. Lamont Geological Observatory, Columbia University. 1967. 10, v leaves, 8 leaves of plates.

3.1 hyongmyong, ku chinsil ul palkinda: 3.1 undong 80-yon
Yi, Hyon-hui
Soul. Sin Inơgansa. 1999. 447 p.

The 31 initiatives: a study in Air Force-Army cooperation
Davis, Richard G
Washington, D.C. Office of Air Force History, U.S. Air Force. 1987. xi, 165 p.

31 letters and 13 dreams: poems
Hugo, Richard
New York. Norton. c1977. 71 p.

31 Mart gerici bir hareket mi?
Albayrak, Sadık
Cağaloğlu, İst. [i.e. İstanbul]. Bilim-Araştırma Yayınları. [1987]. 358 p.

31 Mart ihtilâlinde Abdülhamit
Kutay, Cemal
İstanbul. Cemal Kutay Kitaplığı ve Tarih Sevenler Kulübü. 1977. 275 p.

31 Mart olayının Kastamonu'daki yankıları
Eski, Mustafa
Ankara. M. Eski. 1991. 75 p.

31 Mart Vak'ası irticâ mı? İngiliz oyunu mu?
Müftüoğlu, Mustafa
Fatih, İstanbul. Risale. 1995. 136 p.

31 mesures de lutte contre la toxicomanie
Paris. La Mission. [1985?]. 94 p.

31 new American poets
Schreiber, Ron
New York. Hill and Wang. [1969]. xxvi, 260 p.

31 new Atari computer programs for home, school, office
North, Alan
Woodsboro, Md. ARCsoft Publishers. c1983. 96 p.

31 Newfoundland poets
Fowler, Adrian ; Pittman, Al
St. John's, Nfld. Breakwater Books. 1979. v, 158 p.

31 obras del Museo Provincial de Bellas Artes
Araya, Carmen ; Rubio, Fernando
Badajoz. Departamento de Publicaciones de la Excma. Diputación Provincial de Badajoz. 1986. 111 p.

31 poemas
Dimulá, Kikí
Buenos Aires. Grupo Editor Latinoamericano. 1998. 87 p.

31 poèmes autographes: 2 carnets d'hôpital 1938
Nelligan, Emile
Trois-Rivières, Québec. Ecrits des forges. [1982]. 107 p.

31 poetes d'avui
Barcelona. Edicions Cedro. [1978?]. 286 p.

31 practical ultralight aircraft you can build
Dwiggins, Don
Blue Ridge Summit, Pa. TAB Books. c1980. 128 p.

31 psalms by King David and the other Israelites
David ; Gibbs, D. C
Huntsville, Tex. G. Gybbe. 1982. ix, 59 p.

31 reasons people do not receive their financial harvest
Murdock, Mike
Dallas, Tex. Wisdom International. c1997. 229 p.

31, rue de l'Aigle: roman
Djemaï, Abdelkader
Paris. Editions Michalon. c1998. 137 p.

31 sonetos
Colombí, Alicia de
Madrid. Editorial Gahe. 1982. 39 p.

31 songs
Hornby, Nick
London. Viking. c2003. 196 p.

31 sonnets
Guillevic, Eugene
Paris. Gallimard. [1954]. 78 p.

31st Annual Conference: WELCOM '83, welding and computers, Sydney, 16-21 October 1983
[Bentley, W.A.]. Australian Welding Institute. [1983]. 205 p.

31st Annual Convention and Seminar on "Geosciences for Energy and Environment", 20-22 December, 1994
Hyderabad. Indian Geophysical Union. 1994. 157 p.

31st Annual Invitational Skeffington Symposium on Vision, Washington, D.C., January 18-20, 1986
Lebanon, Or. (2796 S. Main #77, Lebanon 97355). C. Croisant. [c1986]. iii, 232 p.

31st annual Scientific Congress: programme and abstracts : 43rd anniversary sessions, 22nd to 25th May
Perera, B. J. C
[Colombo. Sri Lanka Paediatric Association. 1996]. 50 p.

The 31st ESLAB Symposium on correlated phenomena at the sun, in the heliosphere, and in geospace: 22-25 September 1997, ESTEC, Noordwijk, The Netherlands
Wilson, A
Noordwijk, The Netherlands. European Space Agency. c1997. ix, 546 p.

31st International Congress of Pure and Applied Chemistry: July 13-18, 1987, Sofia, Bulgaria : invited lectures
[Sofia]. Bulgarian Academy of Sciences. 1987. 9 v.

The 31st of February
Symons, Julian
New York. Harper. [1950]. ix, 201 p.

31 stories
Booth, Michael R ; Burhans, Clinton S
Englewood Cliffs, N.J. Prentice-Hall. 1960. 364 p.

31 stories by thirty and one authors
Rhys, Ernest ; Dawson Scott, C. A
New York. D. Appleton and Company. 1923. xi, 412, [1] p.

31st Virginia Infantry
Ashcraft, John M
Lynchburg, Va. H.E. Howard. c1988. 171 p.

31 successful ways to make money while traveling with your RV
Scharp, Hal ; Scharp, Mary
Homestead, Fla. Halmar Research Productions. c1978. 156 p.

31 uses for a mom
Ziefert, Harriet ; Doughty, Rebecca
New York. G.P. Putnam's Sons. c2003. 1 v. (unpaged).

'31 was a good year in Vernon Parish, Louisiana: the 1931 news that made history in Vernon Parish as reported in the colorful old-time journalese of the Reverend Andrew Allen Veatch, "The Country Parson," and printed in the weekly issues of the Leesville leader, Leesville, Louisiana
Veatch, Andrew Allen
Leesville. Leesville leader. [1977?]. 63 leaves.

31 ways to spend a romantic evening: put romance back in your relationship!
Timmons, David
Austin. Snowy Owl Publications. c1991. 63 p.

31 words to create a guilt-free life: finding the freedom to be your most powerful self : a simple guide to self-care, balance, and joy
Bouris, Karen
Maui. Inner Ocean Pub. c2006. xii, 97 p.

31. Zagrebački Salon: grafički dizajn, produkt dizajn, prmjenjena umjetnost
Viculin, Marina
Zagreb. Muzejsko galerijski centar. 1997. 191 p.

3.200.000, el robo nacional: caso Fendrich
Sagardía, Juan José
Santa Fe, Rep. Argentina. Ediciones Sudamérica Santa Fe. [1995]. 166 p.

32,000 hours a year
Krolik, Richard
New York?. 1965]. 56 p.

32.000 passos
Lladó i Badia, Carles
Barcelona. Pòrtic. 1983. 247 p.

320 College avenue: a comedy in three acts
Ballard, Frederick ; Eberhart, Mignon Good
New York, N.Y. S. French. c1938. 2 p. l., 3-114, p., 1 l.

320 de pisici negre
Ojog-Brașoveanu, Rodica
Cluj-Napoca. Editura Dacia. 1979. 213 p.

320 grafiker
Swärd, Gunnel ; Swärd, Kjell
Klippan. Pedagogförlaget. c1984. 3 v.

320 million judges: analysis of 1977 Lok Sabha and state elections in India
Mirchandani, G. G
New Delhi. Abhinav Publications. 1977. 270 p.

320 pyetje mbi gjeografinë
Kabo, Mevlan
Tiranë. Shtëpia Botuese "8 Nëntori". 1977. 102 p.

320th Engineer Battalion, 1942-1945
[Camp Shelby, Miss?. Headquarters, 320th Engineer (C) Battalion. 1945 or 1946?]. [96] p.

321: income taxation
Chicago. Kaplan Financial. c2006. xviii, 309 p.

3213 Sayılı Maden Kanunu ve Danıştay içtihatları
Çanga, Halit Erol
[Ankara?. s.n. 199-]. 132 p.

3, 2, 1, blast-off!
Noonan, Diana ; Grant, Deidre
Carlsbad, Calif. Dominie Press. c1998. 24 p.

3-2-1 bomb gone: fighting terrorist bombers in Northern Ireland
Smith, Steve
Stroud [England]. Sutton. 2006. xv, 256 p., [16] p. of plates.

3-2-1 code it!
Green, Michelle A ; Serling, Sarah ; Williamson, Lynette
Clifton Park, NY. Thomson Delmar Learning. c2007. xx, 986 p.

321 de vorbe memorabile ale lui Petre Țuțea
Țuțea, Petre ; Liiceanu, Gabriel
București. Humanitas. 1993. 126 p.

3, 2, 1 go!: a transportation countdown
Schuette, Sarah L
Mankato, Minn. A+ Books. c2003. p. cm.

321 perguntas a um Brasileiro
Neves, Herculano
[São Paulo]. Editôra Fulgor. 1962. 39 p.

3 ... 2 ... 1 ... start!
Bitó, János ; Sinka, József
Budapest. Táncsics Könyvkiadó. 1968. 233 p.

322: Obrazy stareho sveta ; Ruzove sny
Hanak, Dusan
Praha. Lika klub. 2005. 225 p.

32259205: the story of one soldier's journey through World War II
Handlin, Nathan
New York. Vantage Press. c1992. xiii, 153 p.

322 Squadron: sporen van zijn verleden, lijnen in zijn geschiedenis
Lutgert, W. H ; Sorgedrager, Bart
ʼs-Gravenhage. Sectie Luchtmachthistorie van de Staf van de Beveldhebber der Luchtstrijdkrachten. 1994. 120 p.

323 citations sur l'urbanisme
Auzelle, Robert ; Gohier, Jean ; Vetter, Pierre
Paris. Vincent, Fréal. [1964]. 864 p.

The 3-2-3 Detective Agency in The disappearance of Dave Warthog
Robinson, Fiona
New York. Abrams Books for Young Readers. 2009. p. cm.

323 ėpigrammy
Ėtkind, E. G
Parizh. Syntaxis. 1988. 174 p.

323 héroes del Belgrano
[Argentina]. Dotacíon del Crucero ARA General Belgrano. c2000. 150 p.

324 poemas breves: 1965-1985
Moreno, Luis J
[Salamanca?]. Junta de Castilla y León, Consejería de Educación y Cultura. 1986. 154 p.