[Grace E. Mitchell?] FORTRAN Introductory Programmer's Manual. Section I. March 20, 1957.

[Grace E. Mitchell?] FORTRAN Introductory Programmer's Manual. Section I. Programming Research Department, International Business Machines Corporation, 590 Madison Avenue, New York, New York, March 20, 1957, 1+37 pages. Reproduced typescript. Computer History Museum Lot X3143.2005. Donated by Dick Sites. Part of Lot 58 of The Origins of Cyberspace auction, Christie's, February 23, 2005.

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