The Kent coalfield; its evolution and development,

Mode of access: Internet.

Emergent evolution and the development of societies /

London edition (K. Paul, Trench, Trubner) has title: Emergent evolution and the social.

The oat plant : its histology and development /

Bibliography: p. 111-112.

Research and development in progress : biology and medicine /

"TID-4500 ; Biology and Medicine."

A bibliography of birds; with special reference to anatomy, behavior, biochemistry, embryology, pathology, physiology, genetics, ecology, aviculture, economic ornithology, poultry culture, evolution, and related subjects ...

Paged continuously.

Laboratory manual for plant biology,

Lithoprinted from type-written copy, with printed t.-p.

Ohio report on research and development.

Subtitle varies: Sept./Oct. 1964-1968, biology, agriculture, home economics.

A survey of bioastronautics, 1961-62; resources for research and development.

"Contract no. AF 18(600)-1916."

Research and development in progress: biomedical and environmental research program. Indexes prepared by Technical Information Center.

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The genetics, breeding and improvement of corn and cotton; a bibliography covering more than forty years work (1889-1929) in the breeding, improvement, and study of inheritance in corn and cotton (with many abstract references)

Cover title.