#7, #8, #9, #10, #11, #12, #15, #16, #21, #22, #34, #35, #41, #42, #63. Section 6.2 (pp. 376--377)
#1, #2, #3, #4, #9, #10, #13, #14, #17, #18, #25, #26, #27, #28.