Library of Congress のサイトで利用可能です。URL：https://www.loc.gov/collections/william-henry-harrison-papers/about-this-collection/
資料に関する注記
一般注記：
At head of title: Presidential papers microfilm.Microfilm of ms. collection in the Library of Congress.Accompanied by "Index" (viii, 10 p. 29 cm.) pub...
Microfilm of ms. collection in the Library of Congress.
Accompanied by "Index" (viii, 10 p. 29 cm.) published Washington, Manuscript Division, Library of Congress; for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1960, in the series Presidents' papers index series.