41. The book of Harlech / by Alvin Langdon Coburn. Coburn, Alvin Langdon, 1882-1966 Harlech : D.H. Parry, 1920.(London : Chiswick Press : Anglo Engraving Company, Limited) Book Online
42. The book of the dance / Arnold Genthe. Genthe, Arnold, 1869-1942 Boston, Mass. : International Publishers, [1920]copyright 1916 Book Online
43. The Carbro process / by A.C. Braham ; with an additional chapter by A.H. Hall. Braham, A. C. London : Autotype Company, [192-] Book Online
44. Catalogo delle fotografie di opere d'arte e vedute. Fratelli Alinari Firenze : Fratelli Alinari, Società Anonima, Instituto di Edizioni Artistiche, [1920-1940] Book Online
45. The child in art & nature / by Adolphe Armand Braun. Braun, Adolphe Armand, 1869- London : For the Postal University by B.T. Batsford, [192-?](H. Reiach, Limited) Book Online
46. Cotton waste : a study of a great Lancashire industry / [with photographs by Alvin Langdon Coburn]. Manchester, Eng. : Published on behalf of William C. Jones by Charles W. Hobson, 1920. Book Online
47. [Dance : a collection of photographs / by Arnold Genthe]. Genthe, Arnold, 1869-1942 [S.l. : publisher not identified, 192-?] Book Online
48. The fundamentals of photography / by C[harles] E[dward] K[enneth] Mees. Mees, C. E. Kenneth (Charles Edward Kenneth), 1882-1960 Rochester, N.Y. : Eastman Kodak Company, 1920. Book Online
49. Geometrical investigation of the formation of images in optical instruments : embodying the results of scientific researches conducted in German optical workshops / edited by M. von Rohr ; translated by R. Kanthack. London : Printed for the Dept. of Scientific and Industrial Research by H.M. Stationery Off, 1920. Book Online
51. A memorial volume containing an account of the photographic researches of Ferdinand Hurter & Vero C. Driffield : being a reprint of their published papers : together with a history of their early work and a bibliography of later work on the same subject / edited by W.B. Ferguson. Hurter, Ferdinand, 1844-1898 [London] : Royal Photographic Society of Great Britain, [1920](Harrison and Sons) Book Online
52. A memorial volume containing an account of the photographic researches of Ferdinand Hurter & Vero C. Driffield : being a reprint of their published papers : together with a history of their early work and a bibliography of later work on the same subject / edited by W.B. Ferguson. Hurter, Ferdinand, 1844-1898 [London] : Royal Photographic Society of Great Britain, [1920](Harrison and Sons) Book Online
53. Our foreigners : a chronicle of Americans in the making / by Samuel P. Orth. Orth, Samuel Peter, 1873-1922 New Haven : Yale University Press ; 1920.Oxford : University Press, 1920. Book Online
54. Paper making and its machinery : including chapters on the tub sizing of paper, the coating and finishing of art paper and the coating of photographic paper / by T. W. Chalmers. Chalmers, T. W. (Thomas Wightman), 1884-1954 London : Constable and Company Limited, 1920.(Plymouth : W. Brendon and Son, Limited) Book Online
55. The photographic industry of Great Britain 1920 / [British Photographic Manufacturers Association]. British Photographic Manufacturers Association London : The Association, [1920] Book Online
56. Photographie ohne Kamera / von Paul Lindner. Lindner, Paul, 1861- Berlin : Union deutsche Verlagsgesellschaft, 1920. Book Online
57. Pictorial composition in photography / by Arthur Hammond. Hammond, Arthur, 1882- Boston : American Photographic Pub. Company, 1920. Book Online
58. Pictorial photography in America, 1920. New York : Pictorial Photographers of America : [1920]Tennant and Ward, [1920](Marchbanks Press)copyright 1919 Book Online
59. Sicilia : catalogo delle fotografie di opere d'arte e vedute. Firenze : Fratelli Alinari, [between 1920 and 1930?] Book Online
60. A study in storage / with photographs by Alvin Langdon Coburn. Manchester : Lloyd's Packing Warehouses Limited, [192-] Book Online