This collection contains material relating to the professional career of Professor Philip Greeley Clapp, a composer, conductor of symphony orchestras, accomplished pianist, and music instructor. Some Greeley and Clapp genealogy is included in boxes 1 and 6, as well as some documentation of Mr. Clapp's studies at Harvard in box 12.Four scrapbooks of carefully dated newspaper articles are housed in box 12. Mr. Clapp and his father, Henry Lincoln Clapp, authored many of the articles, while others announce their accomplishments. Henry Clapp was principal of Putnam Elementary School in Connecticut during the 1800s, and his theories of elementary education were highly-regarded. Articles dated 1879 to 1918 by the senior Clapp on the topic of education, and his hobby of horticulture in the Boston area, are preserved here.Correspondence in box 6 is primarily with SUI faculty and administrators. Correspondence in box 7 is primarily with administration, yet includes includes more correspondents, who are listed on the folders.