Illustrated magnified cultures of the bacterium streptococci, pertussis, Pfeiffer's Bacillus, and pneumobacilli. Pfeiffer's Bacillus refers to Haemophilus influenzae, first described by Richard Pfeiffer in 1892.

Created by Eli Lilly & Company, this handbook is meant for pharmacists. It is a list of products and contains practical information such as concentration and dosing. In the appendix there are botanical synonyms, definitions of biological and medical terms, a list of diseases with remedies, and a dose table. Throughout the book there are images and illustrations of Lilly's facilities, farms, laboratories, factories, and products. The Lilly company was founded by Eli Lilly in 1876 to produce medicinal drugs and products.