". . . I wrote an appeal . . . to stop the testing of nuclear bombs, as a first step toward . . . the ultimate effective abolition of nuclear weapons . . . .
"The problem of averting the impending catastrophe of a nuclear world war still exists. . . ."
with--a printed petition entitled, "Appeal by American Scientists to the Governments and People of the World," headed by a statement urging a stop to the testing of nuclear weapons, lower half of page blank for signatures, unsigned. 14x8 inches; staple holes at upper left, horizontal folds.