found: LC database, Feb. 3, 1989(church bells)
found: Web. 3.
found: World Book:v. 2, p. 186.
found: New Harvard dict. of mus.:Bell (1) (Both handbells and tower bells have been associated with Christian worship from about the 5th century)
found: New Grove dict. of mus. WWW site, Mar. 14, 2007:Bell (i) (The cup form, also called the "open" bell ... appears in a great variety of profiles, of which the modern European tower bell with sides flared towards the rim is a representative example; "the church tower bell"). Under Handbell (In general the handbell preceded the tower bell as a means of calling to divine services.)