SPECIAL Cottecrion-Cameron, Amberg & Co., Chicago.
SCH j Amberg! s systems of letter filing, -T659 illustrating Amberg's cabinet letter -B65L files and systems of simultaneous
no.2 indexing and filing, to effect by rapid and accurate work, direct and instantaneous reference to business and private papers. Chicago, 1881,
lv. illus. 25cm.
No. [2] in a volume with the binder's title: Manufacturers' catalogs.
1. Files “e filing (Documents):