M.J. Brouček,Czech Heritage Papers, MS-0268, Box: 001; Box: 002; Box: 003; Box: 004. Archives & Special Collections, University of Nebraska-Lincoln Libraries.
M.J. Brouček,Czech Heritage Papers, MS-0268, Box: 001; Box: 002; Box: 003; Box: 004. Archives & Special Collections, University of Nebraska-Lincoln Libraries. https://archives.nebraska.edu/repositories/8/resources/899 Accessed March 29, 2023.
