The Jana (Zhana) Pencheva-Vulchanova Architectural Collection consists of 24 architectural drawings, 11 photocopies of drawings, photographs and newspaper clippings.

This collection documents her activity in designing several underground commercial centers and pedestrian passageways located at tramway terminals and boulevard crossings in Sofia, Bulgaria and its surrounding neighorhoods from 1980-1993.

One of the most documented projects she has been involved with is for an underground commercial center and pedestrian passageway located south of the Palace of Culture, under the crossing of Boulevard Bulgaria and Nansen, Sofia. This project is represented by 10 prints (1987-1993), including floor plans and sections, details of the interior design and design specification.