|LC control no.||sh 93007047
|Topical heading||Electronic books
|Variant(s)||Books in machine-readable form
|Found in||Work cat.: 93029299: CD-ROM book index, 1993.
MAGS3, Sept. 15, 1993: under Databases--Evaluation and sometimes under (Type of book)--Evaluation (7 reviews of electronic books, 2 records with the phrase "electronic books" in the abstract; 1 record with the phrase "books in digital format")
WWW, May 16, 2003 (e-books; eBooks; Ebooks)
Google search, Mar. 19, 2010 (digital books)