[Isaac Asimov and his Publishers] Memorandums [Memoranda] of Agreement involving Publishers. NOT signed by Asimov himself.

1. (Asimov's Pebble in the Sky) Memorandum of Agreement , 17 March 1969, between Sidgwick and Jackson and Sphere Books, four pages, folio, signed by Anthony Cheetham [Wikipedia] for Sphere Books. ?300 advance with percentages.2. (Asimov's Pebble in the Sky) Memorandum of Agreement between Doubleday & Company and Sidgwick & Jackson, 21 September 1967, three pages, folio, sl. crumpled, signed by Nelson Doubleday. It concludes with statement about copyright (Asimoc, 1950. WITH: two file copy letters (amendments etc.), and an original letter from Barbara Noble of Doubleday and Company about paperback rights.3. (Asimov's Pebble in the Sky) Memorandum of Agreement between Sidgwick & Jackson and Sphere Books, 22 March 1977, 6 pp., folio, eventually signed by Edmund Fisher of Sphere Books [Wikipedia] and a squiggle on behalf of the Grantors, concluding with typed list of countries headed Schedule (from Ascension to Zambia).4. (Asimov's The Science Fictional Solar System) Memorandum of Agreement between Granada Publishing Limited (The 'Proprietors') and Sidgwick and Jackson Limited, four pages, folio, 13 December 1979, signed by Alewyn Birch, M.D. of Granada, and a squiggle. Note: None signed by Asimov.