Medical subject headings, tree annotations, 1978 : technical notes, Medlars indexing instructions /

"PB 271 246."

Medical subject headings.

Print ceases at v.48 (2007), then becomes online only.

Medical subject headings:

Mode of access: Internet.

Subject headings used in the catalogs of the United States Atomic Energy Commission.

Mode of access: Internet.

The busy man's hand-book : a condensed cyclopedia of historical, geographical, scriptural, scientific, legal, social, mercantile, medical, and useful information /

Mode of access: Internet.

Technical notes, MEDLARS indexing instructions, supplement, tumor key /

"Supersedes Technical Notes: MEDLARS Indexing Instructions, Supplement I (Tumor Key), PB-245 412. Supplements 1981 Medical Subject Headings."

Subject headings for the aeronautical index /

Mimeographed.

Library of Congress subject headings /

Commonly referred to as: The red book.

Catholic subject headings: a list designed for use with Library of Congress subject headings or the Sears List of subject headings for small libraries. First supplement.

Mode of access: Internet.

List of subject headings for small libraries,

Mode of access: Internet.