The highlights of Munn's contributions to his field during his tenure as Director of the Carnegie Library of Pittsburgh can be summarized chiefly as the perpetration of the idea of the public library as "educational, informational, and cultural", the expansion and unification of library services, and his influence in establishing an American-modeled library system and professional librarianship in Australia and New Zealand. reaching out in particular to young people and rural areas through
bookmobile services and free borrowing privileges. The resulting Munn-Pitt Report had a major impact in Australia. In an article published in the
Australian Library Journal evaluating the survey's impact, the author states that "the key recommendations of the Munn-Pitt report were easily identified by its lay readers: 1. to establish tax-supported municipal 'free libraries'; and 2. to strengthen and extend librarianship by professionalizing the training and registration of librarians." Munn certainly did his part to assist in the latter recommendation, drafting a number of young Australian professionals to work in American libraries and assisting them however possible. One such librarian recalled Munn in a positive light, saying, "Not only did he make places on his staff available, he also took a personal interest in each Australian 'incumbent', ensuring that, at all times, they were treated in the same way as their American colleagues, in such matters as salary and staff activities." {{cite journal The assistance of these predominantly female librarians also brings into focus an uncannily prescient viewpoint that Munn established in an aptly titled
Library Journal essay, "It Is a Mistake to Recruit Men". Just after
World War II, there was a great increase in men looking for jobs, and Munn was of the opinion that in the case of jobs in the library field, these men were "simply looking for a secure and not too difficult job." {{cite journal operate against the profession, both by filling it with men of mediocre caliber and by discouraging the entrance of superior women ... Throughout the predictable future, it is sure to be mainly a woman's occupation. It should, therefore, be kept attractive to the ablest of women. ==Legacy==