id author title date pages extension mime words sentence flesch summary cache txt crl-11375 Ballou, Hubbard W. Microtext in the Form of Opaque Cards and Transparent Microfilm/Review of Progress 1959 (Book Review) 1960-11-01 1 .pdf application/pdf 728 48 63 Besides noting the Microcard Corporation's current program, he mentions some future developments: a facility for the production of Microcards by small units such as libraries, and a print-out device for Microcards. This is a must item for all library schools, as well as recommended reading for those who have been out in working libraries for many years. cache/crl-11375.pdf txt/crl-11375.txt