Includes minutes of the societies comprising the federation, which are as follows: Engineers' Society of St. Paul; Engineers' Club of Minneapolis; Engineers' Club of Northern Minnesota; Duluth Engineers' Club; Minnesota Surveyors' and Engineers' Society; Minnesota Chapter, American Institute of Architects; Minnesota Chapter, American Society of Heating and Ventilating Engineers; Minnesota Section, American Society of Mechanical Engineers; Northwestern Section, American Society of Civil Engineers; Minnesota Section, American Institute of Electrical Engineers.