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Searching the Document Type Field

When you limit a search by document type, you retrieve only those records that contain the search term(s) you entered in the search fields and the document type(s) you selected from the list.

A search by document type should be combined with a search by another field such as Topic or Author.

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All document types
Article
Annual Report
Article Thesis Dissertation 
Book
Book Chapter
Book Review
Company Profile
Data Paper
Index
Letter Meeting
Meeting Paper
Obituary
Patent
Retracted Publication
Retraction
Software*
Technical Report
Thesis/Dissertation*

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Search Tip

To select more than one item:

• Windows® - Press the Ctrl key as you click each item.

• Macintosh® - Press the Command key as you click each item.

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About those Asterisks (*)

Document types marked by an asterisk (*) can also be searched as topic terms. They are document types in records before 1998. In records after 1998, they are used as descriptors, and they appear in the Miscellaneous Descriptors field of a Full Record.

If you search for a document type as a Topic term, select All document types from the Document Type list. For example:

Topic=lizard* AND meeting abstract
Doc=All document types