[Note: In the Arrangement description, the notation "folder 2-5" means box 2, folder 5.]

Arrangement: Alphabetical and then roughly chronological

Date range: 1891-1979

Volume: 3.4 cubic feet

Geographic coverage: China, Egypt, India, Israel (Palestine), Poland, Russia, United States

Type of documents: Correspondence, organizational reports, petitions to U. S. presidents (called Memorials), miscellaneous mission organization reports, book orders, financial statements

Correspondents: Home and foreign missionaries, Presidents Harrison and Wilson, people and organizations who received support from the Milton Stewart Evangelistic Fund of which Blackstone was sole trustee

Subjects: Establishment of a homeland for Jews in Palestine (Israel), Zionism, and the evangelization of Jews

Notes: Much of the collection was damaged to varying degrees by fire and water and some letters could not be salvaged and were disposed of; the numbers in parentheses in the Container List were assigned by Blackstone to distinguish between correspondents

Exceptional items: Documents which show the early work of Blackstone and the resultant letters of petition to presidents Harrison (folder 6-9) and Wilson (folder 7-5) to establish in Palestine a state for displaced Jews, especially those from Russia (folders 7-2 through 8-6); the debate over liberalism in the Methodist Episcopal Church (folder 3-5).

There are also several manuscripts and a thesis which deal with the Zionist movement (folders 6-1 through 6-5).

Many correspondents were recipients of funding from the Milton Stewart Evangelistic Fund, such as the All Russian Union of Evangelical Christians (folder 1-2, 3), American Bible Society (folder 1-3), Barbican Mission to the Jews (Poland) (folders 1-7, 8), China Inland Mission (folder 2-9) Greek work in Los Angeles (folder 2-15), Mount Carmel Bible School, Haifa, Palestine (folders 4-7, 8); New York Gospel Mission to the Jews (folder 5-1), North China Theological Seminary (folder 5-3), Union Methodist Seminary and Union Chinese Church of Korea (folder 5-7), Women's Bible Institute, Korea (folder 5-9), among others.

Folder 1-9 includes notice from Charles Hurlburt of new mission called Unevangelized Africa