[2] Initially, the company focused on publishing medical and scientific books, catering to the growing demand for professional literature in those fields.

H. K. Lewis gained a reputation for producing high-quality publications that were widely recognised by medical professionals and scholars.

Over the years, the company expanded its publishing to encompass a wide range of medical and scientific disciplines, including anatomy, physiology, surgery, pharmacology, and more.

It actively collaborated with leading experts and authors, publishing their works and contributing to advances in medical knowledge and research.

The company maintained a well-stocked bookstore, Lewis's, in London, serving as a valuable resource for medical professionals, researchers, and students seeking the latest publications in their respective fields.

[4] Dr. Om P. Sharma, a professor of medicine in Los Angeles recalled the library in the British Medical Journal on 8 January 2000:[5][6] "Just a few blocks away at 136 Gower Street stood H.K.

It also displays a bronze bust of Hippocrates the "Father of Medicine" by William Aumonier Jr., based on a sculpture held at the British Museum, and presented by the chairman H.L.