Package Libraries/Officers and Trustees of The American Dental Association 1931–1932†Each package library contains information on one of the subjects listed and is composed of reprints, magazine clippings, etc., on that subject only. The packages are loaned to members of the Association for a period of one week after date of receipt. Unless the material is reserved for another borrower, an extension of time will be granted on request. The charge for borrowing a package library is 50 cents. The rental fee should accompany the request for a package library. No packages are sold. For names of additional package libraries, see The Journal for June, 1931, or write for list.†These packages contain less than the usual number of articles.

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