Quick Search and Advanced Search offer the option of having results returned by relevance or date order.
Articles that contain the most matches of key words or phrases in your search are returned first.
Articles that contain the key words or phrases in your search are returned in reverse chronological order, with the most recent articles in the database first.
Note: Internet Sites and Subject Heading indexes are sorted in Alphabetical order. Subject Heading search results are returned in reverse chronological order.