 In addition, she was an associate professor, then a professor, at Rutgers University for the Graduate School of Library Services for which she held that position for 17 years from 1954–1971.In 1970, while at Rutgers University, Gaver served as a committee member of the Rutgers University Council on Children's Literature.She also embarked on an international mission to assist other countries improve their library systems, worked as a visiting professor at the University of Teheran, and became an advisor to Iran in 1952–1953.