Giovanni Andrea Bontempi - Biography including non-musical endeavors with links to related composers and period information from the Here of a Sunday Morning radio program. - http://www.hoasm.org/VG/Bontempi.html
Bontempi, Giovanni Andrea - Biography noting his time as singer and Kapellmeister, operas, and writings from the Grove Concise Dictionary of Music entry at WQXR radio. - http://www.wqxr.com/cgi-bin/iowa/cla/learning/grove.html?record=1165