Adventure underground: the story of the world's great tunnels.

Gies, Joseph.
Garden City, N. Y. : Doubleday, 1962.
[1st ed.]

Bridges and men

Gies, Joseph.
Garden City N.Y. : Doubleday, [1963]

The Colonel of Chicago

Gies, Joseph.
New York : Dutton, [1979]
1st ed.

Life in a medieval village

Gies, Frances.
New York : Harper & Row, [1990]
1st ed.

Marriage and the family in the Middle Ages

Gies, Frances.
New York : Harper & Row, [1987]
1st ed.

Merchants and moneymen: the commercial revolution, 1000-1500

Gies, Joseph.
New York : Crowell, [1972]

Women in the Middle Ages

Gies, Frances.
New York : HarperPerennial, [1992?]

Anne Frank remembered : the story of the woman who helped to hide the Frank family

Gies, Miep, 1909-2010.
New York : Simon and Schuster, [1987]