Hello,

I have a very nice copy of Richards, R. K. Digital Computer Components and Circuits. Princeton, N.J.: Van Nostrand, 1957, that I will be happy to send to anyone who wants it. 

It was once owned by Montgomery Phister (https://prabook.com/web/montgomery.phister/3485617). 

Let me know if you want it and I’ll send it right out.

Dan Holbrook