On the preservation of construction capital of secondary schools of the Warsaw training district.February 2.

On the preservation of construction capital of secondary schools of the Warsaw training district.February 2./ Council of Ministers.- 1914. -5 l .. - (Council of Ministers .. Inventory inventory No. 10. 1914.).-Science and education.Film..I. Council of Ministers ..Electronic copy source: RGIAOriginal storage location: RGIA f.1276 op.10 d.939