This is an excerpt from The Neapolitan recipe collection
(Italy, 15th c - T. Scully, trans.)
The original source can be found at
University of Michigan Digital General Collection
Pike. It should be boiled in vinegar, wine and water; for its sauce, Mustard Sauce. [Note than any fish should be thoroughly cleaned of its scales.]
Recipes with similar titles:
Pike (Le Viandier de Taillevent)
223 PIKE (Libre del Coch)