underneath the clothing were a number of back issues of the daily worker , both the new york and milwaukee editions ; a supply of stationery , including envelopes and paper with the letterheads of the socialist workers committee of milwaukee of the communist party of the u.s.a. ; blank membership cards in the same organization ; milwaukee daily worker stationery ; a bundle of propaganda leaflets supporting germany in its war against imperialist britain , obviously printed before june of 1941 ; and other communist party literature extolling the virtues of the peoples party .