--subdivision Histology under individual animals and groups of animals, and under individual organs and regions of the body, e.g. Fishes--Histology; Heart--Histology
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Microscopic Books -- See Miniature books Here are entered works on books 10 centimeters or less in both height and width. Actual specimens of such books are entered under Miniature books--Specimens, a form heading assigned without geographic subdivision.
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Microscopic Editions -- See Miniature books Here are entered works on books 10 centimeters or less in both height and width. Actual specimens of such books are entered under Miniature books--Specimens, a form heading assigned without geographic subdivision.