The collection documents the wedding ceremony and preparations of Mark Thiel and Patricia Poskie, and also provide histories of the Piotrowski, Poskie, and Wleczyk families. From the wedding itself are ten color photographs, with accompanying identifications, portraying members of the wedding party in costume, at the church, en route to the reception, and at the celebration.
Also included are a description of the wedding and reception written by Thiel, and a guest list. With the folder of materials regarding preparations for the wedding are a variety of descriptions, newspaper articles, flyers, promotional leaflets, and other items collected during the research on costumes, Polish wedding customs, and bands and orchestras.
Thiel and Poskie collected much of the genealogical information about their ancestors. Included are notes, primarily taken by Thiel, with brief descriptions of individuals, families, and occupations, copies of birth and baptismal certificates, and related documents. The collection also includes pages from a 1938 high school yearbook of Thiel's mother, Esther Wleczyk.
Also included is a folder of miscellaneous items, including programs from the 1982 Madison performance of the Mazowszw dance troupe, as well as other pamphlets and brochures.
