Encyclopaedia Americana – 1851
A description is on page 17.

Hookset Falls
A brief history and description of the canal.

Laws of New Hampshire: Second constitutional period, 1801-1811
An Act to create a Corporation to build the canal begins on page 853.

Locks And Canals Of The Merrimack River - Part I
A brief history and description.
 

Locks And Canals Of The Merrimack River – Part II
 A more extensive history and description.   Map and current photos.

Mitchell’s Compendium of the Internal Improvements of the United States – 1835
A brief history is on page 12.

Scenes from Hooksett's Past: Heritage Month Continues!

Includes a brief history of the canal.

The Incredible Ditch: A Bicentennial History of the Middlesex Canal
A brief history and description is on page 52.

Town Papers. Documents Relating to Towns in New Hampshire, Volume 12 – 1883
A 1793 petition to build the canal begins on page 255.