A Accession number. The consecutive Museum number to be either written or printed. This column should be used to give the date of accession. B Author. For photographs of paintings give one important name. For photographs of sculpture give sculptor's name, where known. For photographs of architecture give name of city followed by country in parentheses. London (Eng.) C Title. For photographs of painting and sculpture use short, catch title, bringing, where possible, the important name first. For photographs of architecture, make first word a word descriptive of the kind of building: Temple of Mars; Cathedral of Notre Dame; Basilica of S. Paolo. D Gallery. This column is used for sculpture and painting only. Enter official name of gallery under name of city, followed by country in parentheses, and separated by hyphen: London (Eng.)-National Gallery; Paris (France)-Louvre. E Photographer and place of publication. Use the last name of publisher, followed by name of city abbreviated. Alinari, Fio.; Braun, Pa.; Hanfstaengl, Muen. F Date. The high grade photographs have the date of their publication on the mount. G Publisher's number. To be found on all prints. H Process. State whether silver print, platinotype, carbon (give color b. for black, br. for brown, g. for gray), autotype, collotype, etc. I Size of print. Give size in centimeters, giving width first. J Size of mount. Use the following notation: F for size measuring 22x28 inches, and upwards. Q for size measuring 18x22 inches up to 22x28. O for size measuring 14x18 inches up to 18x22. D for all sizes under O. K Cost. Give cost of imported prints in foreign money; give total of bill in American money. L Cost of mounting. M Remarks. This column will be found useful for date of remounting prints. Enter all prints in the order of the publisher's bill. Write the accession number on the back of mount (see under Labeling) and on author card. II. Card cataloging Photographs of paintings and sculpture should be entered under the following heads: A, Author, B, Title, C, Gallery, D, School of painter or sculptor. Use Library Bureau card, no. 33r. A Author card. This should show, a, author's name, dates of birth and death, and school; b, Title of work; c, Kind of work; d, Gallery; e, Imprint; f, Accession number; g, Classification or storage number. [Illustration: Painting card; author, with full name to precede list of words. 1 Giorgione, II. (Giorgio _Barbarelli_) called. 1477-1511. _Italian-Venetian_ A] Aa Enter author on first blue line between red lines, under his best known name, even if a nickname, giving full name with nicknames and their translations after it, in parentheses. Give dates of birth and death in parentheses, followed by name of the school to which the artist belonged. Make cross-references from all forms under which the author might be looked for.