CHUNG Ling Soo (William E. Robinson, 1861 - 1918). Chung Ling Soo Signed and Annotated Theatrical Contract. Executed on July 23, 1912 for an appearance in December of the same year, Soo agrees to provide" his own full illusion act and 6 other acts and pictures" for five nights. He will receive 65% of the receipts for providing said entertainment. One folded 4to sheet, annotated in Soo's hand FIVE times, with a typed amendment in the leftmost margin, and bearing the signature or initials of the theatrical managers to each amendation. SIGNED in ink ?Chung Ling Soo" and INITIALED by Soo at the top of the contract.The additions to the contract include the following: ?No less than 2,000 sheets to be posted by the local management." ?Free list to be entirely suspended." ?Mr. Soo to give a special Matinee which he gives the lecture performance himself."