1. Proceedings of the Five International Congresses on High Speed Photography are published as follows:
2. 1st, Washington Oct. 1952 High Speed Phot. Vol. 5 by S.M.P.T.E.
3. 2nd, Paris Sept. 1954 by Ounod 1956
4. 3rd, London Sept. 1956 by Buttersworths 1957
5. 4th, Cologne Sept. 1958 by Helwich 1959