OBS/6/9/2/1/B | Picture Library subject files for subjects beginning with letter B | c1960-c2000 |
OBS/6/9/2/1/C1 | Picture Library subject files for subjects beginning with letter C (part 1) | c1960-c2000 |
OBS/6/9/2/1/C2 | Picture Library subject files for subjects beginning with letter C (part 2) | c1960-c2000 |
OBS/6/9/2/1/H | Picture Library subject files for subjects beginning with letter H | c1960-c2000 |
OBS/6/9/2/1/P | Picture Library subject files for subjects beginning with letter P | c1960-c2000 |