William Mitchell Gillespie

• Jackson Years  - Historical record covering the year 1826 up until 1877. Provides insights to the active publisher's activities.
• Land Surveying Treatise  - Published material detailing the developed theories relating to elementary principles and other surveying topics.
• Manual of the Principles and Practice of Road-Making  - Details the contents of the published material that provides insights to improvement of roads covering construction and location factors.
• Strength of Materials and the Stability of Structures  - Reference material that was printed for educational purposes to be used in civil engineering instructions.