1/1: Clarke to Searles. Typed letter, unsigned. August 29, 1978.

1/2: Clarke to Searles. Typed letter, signed. December 7, 1978.

1/3: Clarke to Searles. Typed letter, signed. December 16, 1978.

1/4: Clarke to Searles. Autograph letter, signed. April 10, 1979.

1/5: Clarke to Last. Autograph letter, signed. June 1, 1979.

1/6: Clarke to Searles. Autograph letter, signed. February 25, 1980.

1/7: Clarke to Searles. Typed letter, signed. April 28, 1980.

1/8: Clarke to Searles. Autograph letter, signed. December 18, 1981.

1/9: Clarke to Searles. Autograph letter, signed. April 5, 1982.

1/10: Clarke to Searles. Autograph letter, signed. June 28, 1982.

1/11: Clarke to Searles. Autograph letter, signed. April 16, 1986.

1/12: Miscellaneous material:
-A three-page, stapled flyer for a group in Chicago called "The World Power Foundation." Has a handwritten annotation on the side: "Rec.’d in the mail. Are these people? Or refugees from Jonestown??", Undated
-A one-page typescript article, "Marconi Fellowship Awarded to Arthur Clarke," Undated