Preliminary atomic bomb report. Report No. 92a, USSBS Index Section 2

Atomic bomb plot. Report No. 92f(2), USSBS Index Section 2

Preliminary report of atomic attack. Report No. 60a(2), USSBS Index Section 2

Preliminary draft report on "Effects of the Atomic Bomb on Nagasaki, Japan. Report No. 93i, USSBS Index Section 2

Preliminary draft report on "Effects of the Atomic Bomb on Nagasaki, Japan. Report No. 93i, USSBS Index Section 2

Preliminary draft report on "Effects of Atomic Bomb on Hiroshima"(three volumes). Report No. 92u, USSBS Index Section 2

Preliminary draft report on "Effects of Atomic Bomb on Hiroshima"(three volumes). Report No. 92u, USSBS Index Section 2

Preliminary draft report on "Effects of Atomic Bomb on Hiroshima"(three volumes). Report No. 92u, USSBS Index Section 2

Preliminary draft report on "Effects of Atomic Bomb on Hiroshima"(three volumes). Report No. 92u, USSBS Index Section 2

Preliminary Composite Report on the Atomic Bomb its Power, Effects, and Limitations. USSBS Index Section 2

Preliminary draft on effect of the Atomic Bomb on electric power facilities. Report No. 40o(2), USSBS Index Section 2

Preliminary compilations of bomb damages. Report No. 14a(27), USSBS Index Section 2

Preliminary report-draft. Report No. 93g(2), USSBS Index Section 2

Preliminary report-draft. Report No. 93h(2), USSBS Index Section 2

Preliminary report-draft. Report No. 93b(2), USSBS Index Section 2

Preliminary report-draft. Report No. 93e(2), USSBS Index Section 2

Preliminary report(draft). Report No. 60h(2), USSBS Index Section 2

Preliminary report-draft. Report No. 93d(2), USSBS Index Section 2

Preliminary report-draft. Report No. 93f(2), USSBS Index Section 2

Physical damage to Hiroshima from atomic bomb (preliminary analysis) 1 September 1945. Report No. 14-a(2), USSBS Index Section 6

Preliminary report. Report No. 60h(1), USSBS Index Section 2

Preliminary report. Report No. 90a(1), USSBS Index Section 2

Preliminary draft. Report No. 93c(2), USSBS Index Section 2

Preliminary drafts Report No. 43a, USSBS Index Section 2

Preliminary draft. Report No. 2a, USSBS Index Section 2