1. Geology and Coal deposits of El Maghara northern Sinai Geol. Survey of Egypt;Al Far;paper No. 37,1966
2. Beitrage Zur Geologie des Kohlefuhren Gebietes Von El Maghara north Sinai (Agypten). Tektonische, Kohlenpetrographische und mikrofloristische untersuchungen;Al Far;Geol. Mitt.,1965
3. Spores and Pollen grains from the Mesozoic of western Australia-Commonwealth;Balme;Sci. Indust. Res. Organiz. Coal. Res. Sec.,1957
4. Atlas of spores and Pollen from the Jurassic and Lower Cretaceous deposits of the Vilyui basin-Acad. Sci. U.S.S.R.;Bolkitovitina;Geol. Inst.,1956
5. Upper Jurassic palynological assemblages of the Russion Platform and England;Bolkitovitina,1973