Excerpt from Bibliographical Procedures and Style: A Manual for Bibliographers in the Library of Congress Evidence Of the importance Of the subject with respect to biblio graphical development a. Extent Of its literature. B. Currency Of interest in it. C. Status Of bibliographies in the field (past, present, projected). Availability Of aids to research, e. G. Encyclopedias, guide's, manuals, indexes, abstracting services, journals, theses, book reviews, monumental collections, standard texts, etc. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.