----------------------------Original message---------------------------- Finally, my chance to wax philosophical on an esoteric question. Indeed, the clearest guideline on physical description (1 map on 6 sheets OR 6 maps) is the question of the neat line (the line which encloses the detail of the map). If it takes all 6 sheets to complete the neat line, it's definitely 1 map on 6 sheets. However, I wouldn't say that the reverse is always true. Even if each sheet has a complete neat line, I would still consider calling it 1 map on 6 sheets if the bibliographic details appear only on one of the sheets, in other words, if the individual sheets could not stand alone. Sort of the reverse of CM rule 5B2c, "If the item consists of a number of sheets each of which has the characteristics of a complete map...treat it as a collection and describe as instructed in 5B1 [6 maps]." Thus, the USGS topo set would not be described as 1 map on 253,987 sheets (no, I just made that up), as each sheet has enough bibliographic detail to stand alone. Not that, in practice, anyone would catalog each sheet separately (and those who do deserve a metal). The question of the white borders and whether or not the maps can be physically joined without cut-and-paste is of much less importance in determining the physical description. This is more of a question of the practical considerations of printing than the intent of the publishers. Speaking of which, while it *is* presumptuous of a non-librarian, let alone a non-cataloger, to suggest a rule, one might consider the intent of the publisher if all else fails. Not so much the revision situation (if an important detail on one sheet needs to be revised, will the publisher reprint the other 5 sheets?), but how will it be used? For instance, does the legend appear on all sheets, or just one? I realize I have broken a cardinal rule of cataloging: I haven't actually seen the maps in question. Still, I thought I'd share some thoughts. I have geared my thoughts towards 20th century printed mapping--wouldn't want to get in trouble with the antiquarians out there. One last thought: Linda Smith's remark "I'm seeking information, not questioning the cataloging!!" Question away, Linda! After two or three months I sometimes find myself questioning my own cataloging. I was once asked by someone whether it wouldn't be easier if there was one set of rules for everyone to follow in cataloging maps. I replied that indeed there is one set of rules--it's just that everyone interprets them differently! Thanks for the use of the soapbox. There's at least one person in New York laughing hysterically at the thought of *me* quoting cataloging rules. ********************************************************************** April Carlucci [log in to unmask] The British Library Voice +44 171 412 7000x4167 Map Library +44 171 412 7703 Great Russell Street Fax +44 171 412 7780 London WC1B 3DG United Kingdom "Nobody expects the Spanish Inquisition!" **********************************************************************