Beau Tremitiere has this article in The Bulwark, noting the similiarity between the use of fusion in the 1890’s by the Peoples Party, and the current Utah US Senate race. The Utah Democratic Party has endorsed independent candidate Evan McMullin.
In the 1890’s, some southern state branches of the Peoples Party nominated the Republican ticket; in many states in the midwest, the Peoples Party nominated the Democratic Party.
Utah does not permit fusion, so the Democratic Party’s support of McMullin can’t show up on the November ballot.
I recently found this Daily News headline the day after Election Day in 1937: “”LaGuardia Wins by 454,000, Dewey, 108,000, in Fusion Tide”:
https://www.newspapers.com/clip/102271971/lowell-limpus-laguardia-wins-by/