Lever, H., and Fanning, C.M. (2004) Alunite alteration of tuffaceous layers and zircon dating, Upper Permian Kennedy Group, Carnarvon Basin, Western Australia. Australian Journal of Earth Sciences, 51 (2). pp. 189-203.

Lever, Helen (2004) Climate changes and cyclic sedimentation in the mid-late Permian: Kennedy Group, Carnarvon Basin, Western Australia. Gondwana Research, 7 (1). pp. 135-142.

Lever, H. (2002) Stratigraphy of the Upper Permian Kennedy Group of the onshore Carnarvon Basin (Merlinleigh Sub-basin), Western Australia. Australian Journal of Earth Sciences, 49 (3). pp. 539-550.

Lever, Helen (2001) An Eocene to early Oligocene unconformly-bounded sequence in the Punakaiki-Westport area, West Coast, South Island, New Zealand. New Zealand Journal of Geology and Geophysics, 44 (2). pp. 355-363.