topic

• Railroads25
• Railroad companies17
• Irrigation9
• Reclamation of land9

name

• Sack, Alexander N. (Alexander Nahum), 1890-195525
• Obshchestvo zheli︠e︡znodorozhnykh vi︠e︡tveĭ8

collection

• Materials relating to the development of railroads of the Russian Empire25

place

• Russia25
• Ukraine17
• Ferganskai︠a︡ oblastʹ9
• Kazakhstan9
• Uzbekistan9

genre

• Pamphlets25
• Charts22
• Documents9
• Maps1

division

type

• text25
• cartographic1