In Shmerke Katsherginski’s Lider fun di getos un lagern (Songs from the ghettos and camps), there is a long poem by Peker entitled “Al khet” (Yom Kippur confession prayer), submitted by H. Leivick. The poem reflects the condition of the Jews at that time. Further information about the author remains unknown.
Source: Shmerke Katsherginski, Lider fun di getos un lagern (Songs from the ghettos and camps) (New York, 1948), pp. 250-51.