IndexCat is the National Library of Medicine's digital version of the printed Index-Catalogue of the Library of the Surgeon General's Office (Index Catalogue).[In these instructions, the use of 'Index Catalogue' refers to the printed work in five series.
Search IndexCat by using Quick Search or Advanced Search. If you are unsure which one to use, first try Quick Search. All IndexCat search indexes are comprised of keywords. Currently, there is a maximum limit of 1,000 citations retrieved for each collection.