Den danske botaniske Literatur fra de aeldste Tíder til 1880.

Botanisk Tidsskrift. xii. 1880-81.

Isms old and new : winter Sunday evening sermon-series for 1880-81 delivered in the First Baptist Church, Chicago /

Mode of access: Internet.

Description of Houghton Farm : experiments with Indian corn, 1880-81 /

Mode of access: Internet.

1880 University of Michigan Football Team

Trinity Lutheran Church, ca. 1880-1899

Image taken from student paper for U-M architecture class

Jose Barbosa in 1880 class album, U-M Medical School 1880

(Born in Puerto Rico, was one of first Black graduates of U-M Medical School, a founder of Puerto Rican Republican Party, known as "father of Puerto Rican statehood.)