Petroleum series - Bulletin / School of Mines, University of Wyoming.

Mode of access: Internet.

Program ... annual High School Conference to be held at the University of Illinois, Urbana,

Imprint varies slightly.

Personnel work in high schools : addresses delivered at the high school conference the University of Illinois ; 1925 /

Cover title.

School of Life Sciences, University of Illinois at Urbana-Champaign.

Cover title.