This is a really excellent book on general feedback topics, with an eye to the then-new low-price operational amplifiers.
Operational Amplifiers: Theory and Practice, James K. Roberge, John Wiley & Sons, 1975
free e-book PDF:
http://ocw.mit.edu/resources/res-6-010-electronic-feedback-systems-spring-2013/textbook/
free e-book PDF:
http://ocw.mit.edu/resources/res-6-010-electronic-feedback-systems-spring-2013/textbook/