Gender: girl
There is one source located in the Archive of the Jewish Historical Institute in Warsaw from a girl named Zofia Kolczycka who was an activ youth in the left movement. The signature of the surviver's report is: AZIH, 301/3078, RG 294.1/544. My reference is the German edition of the Lodz chronicles.
An interesting lead on a new source of information. Can you follow the source materials any farther to see if this Zofia is a match for the one on whom others on this site have been performing research, and if so, is there any information you can add to stage 5 about her post-war life? Thank you for your contribution!