{"value"=>"<p>Series is organized in the sub-series Appointment Books, Business Records, Financial and Tax Records, Unsolicited Scripts received by Henderson. The Business Records contains material documenting the various songwriting partnerships and companies Henderson formed, for example, Lu-Mel, which published his own work and Quel Else Enterprises and Margo Tree, which managed his income and expenses from productions. (Financial statements for these companies were sometimes consolidated.) There is also a small folder for Tempo Music Inc., a Duke Ellington-owned company, containing contracts and a list of Henderson and Mercer Ellington songs published by Tempo. Although much additional professional correspondence is found in the Production Materials series, which is organized in sub-series according to the shows or performers with which Henderson was associated, there is correspondence with agents and colleagues found here, particularly concerning musical collaborations and his moves between New York and Los Angeles as he attempted to find employment as a freelance arranger and to promote his ideas for musical theater productions. Individuals to whom Henderson wrote to discuss possible collaborations include Quincy Jones, Berry Gordy, and Marvin Hamlisch. Letters between Henderson and his agents, accountants and attorneys also reveal his financial and tax difficulties, particularly in the 1960s and 1970s following the illnesses and deaths from cancer of his wives Stephanie and Margo. Important correspondents include his attorney Egon Dumler, Lee Winkler of Global Business Management, Freddie Fields of Creative Management Associates (now International Creative Management), and collaborators Charles Burr and Evelyne Love Cooper. An additional sub-series, Unsolicited Scripts, contains folders of various scripts received by Henderson.</p>"}