This list includes all serials, printed and processed, received by the Library of the United States Department of Agriculture, on a current basis, as of July 1, 1957. Only dailies or administrative use are omitted. A serial is defined as a publication that is issued either regularly or irregularly over an unspecified period of time. For the purposes of this list, a serial was considered current if it had been received in the Library at any time since January 1954, unless it was known to have ceased.

How to Find Out about Physics: A Guide to Sources of Information Arranged by the Decimal Classification is an index of materials in physics. The scheme of presentation in the selection utilizes the Dewey Decimal Classification. The text first covers the careers in physics. The subsequent chapters deal with various physics materials, such as books, handbooks, dissertations, periodicals, and abstracts. The remaining chapters cover specific areas of physics, which includes optics, relativity, quantum, mechanics, and nuclear physics. The book will be of great use to students, librarian, and physicists.