id author title date pages extension mime words sentence flesch summary cache txt crl-10144 Kleist, Herbert Inverse Time Order and Subject Filing 1945-05-31 4 .pdf application/pdf 2151 94 62 Since he knows the approximate date, it is a matter of a few seconds to examine the . group of subject cards of books published about that time and to select a history of the steam engine, where the desired inĀ­ formation may be found. The corollary of the chronological arrangement is the use of time numbers as book numbers, but because of certain exceptions it is necesĀ­ sary to examine both the imprint date and the time number when filing. cache/crl-10144.pdf txt/crl-10144.txt