In "The Clay Lover's Guide to Making Molds" author Peirce Clayton references Natalie Clark's work and sculptural technique.
About The Clay Lover's Guide to Making Molds
A complete practical guide to creating and using plaster moulds in clay work. The author covers the basics of setting up a workshop area, selecting and working with the materials, and works through a series of specific projects, from simple one-piece press pieces, to multi-piece moulds for use with liquid clay slip.