His own literary works include "Gamo Sadahide Eiso" (Sadahide GAMO's handwritings of the composed waka) and "Sadahide ason shu" (Collection of Sadahide GAMO's waka poems).
そのほか、主な著作に『蒲生貞秀詠草』『貞秀朝臣集』がある。