Royon encloses a copy of the proceedings of the Third Pugwash Conference of Nuclear Scientists (not present).

"We should have liked to place this volume in your hands earlier, but were obliged to postpone its publication until we completed the mailing of the Vienna Declaration to approximately 30,000 of the world's leading nuclear scientists."

Royon also encloses the Vienna Declaration (not present).

[The letter is the same as that at record 117322 but is not personalized.]