F. J. Corbató, et al., The Compatible Time-Sharing System A Programmer’s GuideАрхивная копия от 27 мая 2012 на Wayback Machine (MIT Press, 1963) ISBN 978-0-262-03008-3. «Shortly after the first paper on time-shared computers by C. Strachey at the June 1959 UNESCO Information Processing conference, H. M. Teager and J. McCarthy at MIT delivered an unpublished paper „Time-shared Program Testing“ at the August 1959 ACM Meeting.»
F. J. Corbató, et al., The Compatible Time-Sharing System A Programmer’s GuideАрхивная копия от 27 мая 2012 на Wayback Machine (MIT Press, 1963) ISBN 978-0-262-03008-3. «Shortly after the first paper on time-shared computers by C. Strachey at the June 1959 UNESCO Information Processing conference, H. M. Teager and J. McCarthy at MIT delivered an unpublished paper „Time-shared Program Testing“ at the August 1959 ACM Meeting.»