id author title date pages extension mime words sentence flesch summary cache txt crl-11068 Pritchard, Hugh Sources For the Study of European Labor and Socialism (1840-1914) at Wisconsin 1957-03-01 3 .pdf application/pdf 1795 79 51 s Is there reason to assume that the revi- s~on policy of other encyclopedias is more ngorous than that of Britannica? T HE POLICY OF THE continuOUS revi-sion of encyclopedias makes it neces- sary for the librarian to decide how often his library should replace a multi-volume encyclopedia. cache/crl-11068.pdf txt/crl-11068.txt