Cripps, John. Accommodation for gypsies : a report on the working of the Caravan Sites Act 1968 / by John Cripps ; [for the] Department of the Environment [and the] Welsh Office. - London : H.M.S.O., 1977. - viii,50p. ISBN: 0117511447 (sd) Subjects--Corporate Names: Great Britain. Caravan Sites Act 1968.