Development of a shock-tube driven molecular beam. Contract no. AF 49(638)-793, Mechanics Division, Air Force Office of Scientific Research, Air Research and Development Command, Washington, D. C.

"AFOSR 166."

Molecular bandpass amplifiers. Contract AF33(616)-7252. Interim scientific report no. 1- [of the] Development Laboratory, Semiconductor Division, Hughes Aircraft Co.

Mode of access: Internet.

Hand book of the Pierce art collection of reproduction of the masterpieces of painting, from the thirteenth to the twentieth century, with suggestions for the use and enjoyment of the collection and a brief history of the development of the art of painting.

Mode of access: Internet.

On the organs of reproduction, and the development of the Myriapoda.

Mode of access: Internet.