topic

• Design and construction1
• Railroads1

name

• Sack, Alexander N. (Alexander Nahum), 1890-19551

collection

• Materials relating to the development of railroads of the Russian Empire1

place

genre

• Charts1
• Documents1
• Manuscripts1
• Maps1
• Pamphlets1

division

• General Research Division1

type

• still image1
• text1