1. AGAR, W. E., DRUMMOND, F. H., & TIEGS, O. W. (1935). A first report on a test of McDougall’s Lamarckian experiment on the training of rats. Journal of Experimental Biology, 12, 191–211.
2. AGAR, W. E., DRUMMOND, F. H., & TIEGS, O. W. (1942). Second report on a test of McDougall’s Lamarckian experiment on the training of rats. Journal of Experimental Biology, 19, 158–167.
3. AGAR, W. E., DRUMMOND, F. H., & TIEGS, O. W. (1948). Third report on a test of McDougall’s Lamarckian experiment on the training of rats. Journal of Experimental Biology, 25, 103–122.
4. AGAR, W. E. (the late), DRUMMOND, F. H., TIEGS, O. W., & GUNSON, M. M. (1954). Fourth (final) report on a test of McDougall’s Lamarckian experiment on the training of rats. Journal of Experimental Biology, 31, 307–312.
5. BARNETT, S. A. (1981). Modern ethology New York: Oxford Press.