Energy : a key-phrase dissertation index. 1976 Supplement. /

Published 1977

North American Indians : a dissertation index.

Published 1977

American doctoral dissertations.

Dissertation abstracts international.

Published 1969

Dissertation abstracts international.

Published 1969

Masters abstracts international.

Published 1986

United States geology : a dissertation bibliography by state.

Dissertations relating to community, junior and two-year colleges.

Published 1975

Career education, a dissertation index.

Published 1976

Agriculture and agronomy : a dissertation bibliography, supplement 1.

Published 1978

Masters abstracts.

Dissertation abstracts international.

Published 1976

Comprehensive dissertation index.

Comprehensive dissertation index : ten-year cumulation, 1973-1982.

Published 1984

Africa : a catalog of doctoral dissertations /

Published 1982

Africa : Egypt, North Africa, and Sub-Saharan : a dissertation bibliography /

Published 1979

Dissertation abstracts international.

Published 1989