Donald, David C. (18 September 2007). The Rise and Effects of the Indirect Holding System (Report). Working Paper Series. Vol. 68. Institute for Law and Finance. Retrieved 18 July 2018 – via Internet Archive (PDFy Mirrors).
Subcommittee on Capital Markets and Government Sponsored Enterprises, Committee on Financial Services (5 June 2013). Examining the Market Power and Impact of Proxy Advisory Firms (Report). Government Publishing Office. Retrieved 18 July 2018 – via Internet Archive (U.S. Congressional Hearings).
Subcommittee on Capital Markets Insurance and Government Sponsored Enterprises, Committee on Financial Services (21 April 2010). Corporate Governance and Shareholder Empowerment (Hearing) (Report). Vol. One Hundred Eleventh Congress, Second Session. Government Publishing Office. p. 249. Retrieved 18 July 2018 – via Internet Archive (U.S. Congressional Hearings). Appears under heading "The Lack of Competition in Proxy Processing Services".
Wilcox, John C.; Niels C., Holch (2018). "Chapter 11: "Street Name" Registration & the Proxy Solicitation Process". In Goodman, Amy L.; Olson, John F.; Fontenot, Lisa A. (eds.). A Practical Guide to SEC Proxy and Compensation Rules (5th ed.). New York: Wolters Kluwer. pp. 11–16, 17. ISBN9780735598959. OCLC1003678941 – via Google Books. Note: Source includes specific details on transfer of proxy authority, too detailed to include here, and a generic process rather than company-specific.
Kennedy, Patrick (25 February 2017). "Companies embrace virtual annual shareholder meetings". Business. StarTribune. Minneapolis, Minnesota. pp. D1–2. Retrieved 17 July 2018 – via Newspapers.com (Publisher Extra). Note: The URL in citation is for segment on D2; segment on D1 appears at this url.
Wilcox, John C.; Niels C., Holch (2018). "Chapter 11: "Street Name" Registration & the Proxy Solicitation Process". In Goodman, Amy L.; Olson, John F.; Fontenot, Lisa A. (eds.). A Practical Guide to SEC Proxy and Compensation Rules (5th ed.). New York: Wolters Kluwer. pp. 11–16, 17. ISBN9780735598959. OCLC1003678941 – via Google Books. Note: Source includes specific details on transfer of proxy authority, too detailed to include here, and a generic process rather than company-specific.