1. The genus Gibbirhynchia in the British Domerian;Ager;Proc. Geol. Ass.,1954
2. A monograph of the British Liassic Rhynchonellidae, part I;Ager;Palaeont. Soc.,1956
3. The geographical distribution of brachiopods in the British Middle Lias;Ager;Quart. J. Geol. Soc.,1956
4. The true Rhynchonella;Ager;Palaeontology,1957
5. A monograph of the British Liassic Rhynchonellidae, part II;Ager;Palaeont. Soc.,1958