Observation post. Report No. 106d, USSBS Index Section 2

Command post. Report No. 106c, USSBS Index Section 2

Civilian observation corps manual. Report No. 8ll, USSBS Index Section 2

Post office. Report No. 3v(51), USSBS Index Section 2

Observation on Japan at War, Serial No. 429. Report No. 2-t, USSBS Index Section 8

Air War, General Observation, Serial No. 473. Report No. 2-p(112), USSBS Index Section 8

Report No. 2. Report No. 19c(2), USSBS Index Section 2

Observation on Japan at War, Serial No. 429. Report No. 2-p(90), USSBS Index Section 8

USSBS-summary report. Report No. 39c(2), USSBS Index Section 2

Manual of air-defense observation and transmission of information. Report No. 8bbb, USSBS Index Section 2

Regulations regarding civilian air-observation corps (part Japanese). Report No. 10k(6), USSBS Index Section 2

Report No. 4. Report No. 11f(2), USSBS Index Section 2

USSBS report. Report No. 39b(8), USSBS Index Section 2

USSBS report. Report No. 39g(1), USSBS Index Section 2

USSBS questionnaire. Report No. 39h(2), USSBS Index Section 2

Company report. Report No. 39j(2), USSBS Index Section 2

General report. Report No. 64j(2), USSBS Index Section 2

Plant report. Report No. 31a(2), USSBS Index Section 2

Observation on the Course of the War, Serial No. 359. Report No. 2-s, USSBS Index Section 8

USSBS field team report. Report No. 23b(2), USSBS Index Section 2

Post Raid Clearance and Repairs, Serial No. 59. Report No. 2-s, USSBS Index Section 8

Post Raid Clearance and Repair, Serial No. 59. Report No. 2-t, USSBS Index Section 8

Final report. Report No. 98a, USSBS Index Section 2

Final report. Report No. 100a, USSBS Index Section 2

Final report. Report No. 101a, USSBS Index Section 2