Desired magazine and journal articles

The following magazine and journal articles contain interesting information, but thus far it has not been possible to obtain a copy from a library, either due to lack of a copy, or because there is no means to pay copyright royalties for permission to provide scans:

• Osumi, Tsutomu: Reed-Type Keyboard Switches Offer Inherent Advantages; JEE, Journal of Electronic Engineering, August 1978 No. 140
• Kitao, Yoshikazu: Hall IC Keyboard Switches Become the Leading Type; JEE, circa 1978 (covers Omron B2H)
• The SSK All Solid State Keyboard; Computer Design, Vol. 7 No. 10, October 1968
• Keeley, J. A.: Development of the Navcor Keyboard; INCA Monthly, No. 11, 1968, pp 5–14 (INCA Monthly changed to Newspaper Techniques); ISSN 0019-333X