| Project | Location | Year | Publication | Links |
|---|---|---|---|---|
| Closed competition for a sketch design of the Church of Divine Providence in Warsaw | Warszawa, Aleja Sejmowa | 1931 | ||
| Temple of Divine Providence - Józef Łowiński and Leonard Tomaszewski's design | Warszawa | 1932 | ||
| Exhibition "Cheap Own Home" in Warsaw - single-family houses | Warszawa | 1933 |