Walford's concise guide to reference material
edited by A.J. Walford
Library Association, 1981
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Walford's concise guide to reference material : second edition
edited by Anthony Chalcraft [and others]
Library Association, 1992
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Wynar, Christine Gehrt
Guide to reference books for school media centers / Christine Gehrt Wynar
Libraries Unlimited, 1986
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Walford's guide to reference material : fifth edition, volume 1, science and technology
Library Association, 1989
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Haselbauer, Kathleen J.
A research guide to the health sciences : medical, nutritional, and environmental / Kathleen J. Haselbauer
Greenwood Press, 1987
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