Series IV. Genealogical Research contains copies of town and church records, including a copy of the first book of births in Rowley, Massachusetts written on the back of Social Insurance policies. These records have for the most part been left in scrapbooks. Volumes 22 through 26 are arranged alphabetically by family name. Volumes 27 and 28 contain both alphabetized notes on family names, and other information. Volume 27 contains genealogical material related to Ichabod Tucker; other miscellaneous genealogical materials; copies of Essex County records; inventories of estates; Benjamin and Stephen Goodhue papers; letters to Henry Wheatland and other family papers; and notes on various trips. Volume 28 contains newspaper clippings, a historical sketch of the philosophical library; a booklet of subscribers names to the Female Charitable Society; a book of members of the Massachusetts Legislature from 1868; a speech given at the Essex Institute; receipts related to the Essex Institute and publication of a history of Essex County; a letter from Professor Agassiz; and a draft of a notice published in the bulletin regarding the 100th anniversary of the American Academy of Arts & Science.