The remarkable growth in the last two decades of the body of knowledge concerning Bright's disease is directly reflected in the evolution of the second edition of Volhard's great classic. From 673 pages of text in the 1918 volume, 1,722 pages, many in small type, have developed. A bibliography of about 20 pages in 1918 has increased to 152 pages in 1931. The literature is so thoroughly reviewed by extensive quotations and abstracts that an entire library is represented in these two books. Nothing of any significance has been left out. Add to this thoroughness a lucid, direct and pleasing style, perfect arrangement of the material, good typography and numerous excellent illustrations, and one has a permanent literary monument to Volhard's genius.
No attempt will be made to review more than a few aspects of the scientific contents, although every page is replete with interesting material. Volhard is a more