Gratia Countryman, c.1886.

Gratia Countryman, Minneapolis, 1917. Photograph by Lee Brothers.

Clara Baldwin, director of the Library Division of the state Department of Education, 1935.

Minnesota Department of Education exhibit for free traveling library, c.1925.

T.B. Walker standing on the grand staircase of the Walker Art Gallery, Minneapolis, c.1925.

T.B. Walker Art Gallery, 807 Hennepin Avenue, Minneapolis, c.1890.

Portrait miniature of T.B. Walker, c.1920. Artist: W. Patterson.

Image of original 1878 astronomical observatory (at right).

Interior of Goodsell Observatory, showing its new telescope, 1891. Photographer: John Runk.

Architect's c.1887 drawing of Goodsell Observatory, including a small floor plan. From American Architect and Building News, no. 601 (July 2, 1887).