This article provides arguments for creation of the archive of qualitative data in Poland. The authoress dwells on history of the Polish memoirs data that - as collected mostly by Józef Chalasinski and his disciples - were in great deal, dispersed and destroyed. Nowadays, in face of digital techniques, one can collect memoirs, autobiographies, in-depth interviews - which are generally referred to personal documents - in relatively simple and cheap way. The final and necessary stage of field work in qualitative research should be organization of data in archive.