Hi all, Looking at LoC's list of cartographic subject cutters, what's the difference between .A4 ("Remote-sensing maps. Photomaps. Orthophotomaps. Pictomaps" and .A5 ("Pictorial maps")? Thanks, Jordan Jordan Hale Original Cataloguer & Reference Specialist Map & Data Library University of Toronto (416) 978-5346 [log in to unmask]<mailto:[log in to unmask]> http://mdl.library.utoronto.ca<http://mdl.library.utoronto.ca/> @MDL_UofT