Jack's Manual by J. A. Grohusko (1910, p.75)

0.33 portionbrandy base
0.33 portioncuracao modifier
0.33 portionMaraschino modifier
  1. Build the brandy, maraschino, and curacao in a whiskey glass.
  2. Mix well with a spoon, withdraw the spoon, and serve.

Ice: None

This is a mixed pousse-cafe style drink rather than a layered one.

The Buffet Blue Book by John H. Considine (1912, p.46)

0.33 whiskey glasscognac — Cognac brandybase
0.33 whiskey glasscuracoa modifier
0.33 whiskey glassMaraschino modifier
  1. Put the Cognac brandy, maraschino, and curacoa into a whiskey glass in layered fashion.
  2. Use a spoon while mixing and withdrawing, then serve.

Ice: None

Attributed in the source to Renaud of New Orleans.

This is a layered cordial miniature; the source text is slightly rough but clearly preserves the tri-layer identity.

See also: Pousse Cafe, Pousse L'Amour

Source says this delightful drink is from a recipe by Renaud of New Orleans.