First ed. published in 1902 by the Classification Division of the Library of Congress. "Additions and changes to October 1964": 61 p. at end.

A vintage antique engraving illustration, of classification books with aquatic animals and organisms, from the book Animal Kingdom With It's Wonders and Curiosities, published 1880. Royalty-free ...

First edition, published in 1904, by the Music Division of the Library of Congress, under title: Classification. Class M, Music; Class ML, Literature of music; Class MT, Musical instruction ...