Hegvik, Arthur. “The Years of Mike Guerra, Part I: The Virtuoso,” from The Instrumentalist. The strengths of Bonade and those who succeeded him (Ralph McLane and Anthony Gigliotti) as first clarinetist in The Philadelphia Orchestra are discussed. Xeroxed, August 1971

Hegvik, Arthur. “The Years of Mike Guerra, Part I: The Virtuoso,” from The Instrumentalist. The strengths of Bonade and those who succeeded him (Ralph McLane and Anthony Gigliotti) as first clarinetist in The Philadelphia Orchestra are discussed. Xeroxed, August 1971, 3.2, Box: 2, Folder: 7.0. Daniel Bonade papers, 0010-SCPA. Michelle Smith Performing Arts Library. https://archives.lib.umd.edu//repositories/4/archival_objects/579882 Accessed May 19, 2024.