On the development of measures for the physical education of students of secondary educational institutions of the Riga educatio...

On the development of measures for the physical education of students of secondary educational institutions of the Riga educational district.November 12./ Council of Ministers.- 1908. -9 l .. - (Council of Ministers .. Inventory inventory No. 4, 1908).-Science and education.Film..I. Council of Ministers ..Electronic copy source: RGIAOriginal storage location: RGIA f.1276 op.4 d.768