One-off Publications as a Type of Documents of Social Life. Outline of Research Issues
The article aims at introducing the subject of occasional prints – one-off publications, presenting their definition, their many aspects and reviewing the condition of the research. A collection of 1344 one-off publications was isolated in the Catalogue of Polish Periodicals in the National Library, which was classified according to the place of issue, chronological range, issuers, subject matter (ten thematic groups were suggested). The article indicates potential research areas: press studies, editorial, historical and social. The article is a preliminary research analysis.