I am stuck on these:
10 E in a D
14 P in a S
19 AA of USS in VW
2 S to ES
206 B in the AHB
21 K of the D
21 S in a G
24 BB in the P
3 S to H
32 P in a CS
32 C on the LE
39 PW by S
4 C in the HH
42 the A to L, the U, and E
49 N in the NL
50 YM - GWA
6 P on a PT
6 S to a SS
660 GP in D of the AE
7 VCF of SW
7 S on the S of LH
19 Average Age of United States Soldiers (or Servicemen) in Vietnam War (Paul Hardcastle song)
42 the Answer to Life, the Universe and Everything. (This is just a guess but I think it's from The Hitch-Hikers Guide to the Galaxy)
21 Key of the Door
10 Events in a Decathlon
24 Blackbirds Baked in the Pie
49 Numbers in the National Lottery
50 Years Marriage-Golden Wedding Anniversary
6 Pockets on a Pool Table