2224 20160701171701.0 ASTROimport-381 Wils, P. 2012 Photometry of High-Amplitude Delta Scuti Stars 432 maxima of 64 High-Amplitude Delta Scuti Stars (HADS) obtained from CCD observations, are presented. Observations of the newly discovered HADS GSC 3004-0870 are included. The object GSC 1924-1134 was found to be a double-mode HADS, while GSC 1621-1643, GSC 2847-586 and GSC 3490-814 were found to be multiperiodic pulsators. GSC 4556-1113 is showing cyclical variations of the pulsation frequency with a period of 164 days. Panagiotopoulos, K. van Wassenhove, J. Ayiomamitis, A. Nieuwenhout, F. Robertson, C. W. Vanleenhove, M. Hambsch, F.-J. Hautecler, H. Pickard, R. D. Baillien, A. Staels, B. Kleidis, S. Lampens, P. van Cauteren, P. Information Bulletin on Variable Stars 6015 2012 1 http://esoads.eso.org/abs/2012IBVS.6015....1W published in REFERD