1. Three abietaceous cones from the Wealden Formation of Belgium;Alvin;Institut Royal des Sciences Nat- urelles de Belgique, Memoires,1953
2. On Pseudoaraucaria Fliche emend, a genus of fossil pinaceous cones;Alvin;Annals of Botany, New Series,1957a
3. On the two cones Pseudoaraucaria heeri (Coemans) nov. comb., and Pityostrobus villerotensis nov. sp. from the Wealden of Belgium;Alvin;Institut Royal des Sciences Naturelles de Belgique, Memoires,1957b
4. Further conifers of the Pinaceae from the Wealden Formation of Belgium;Alvin;Institut Royal des Sciences Naturelles de Belgique, Memoires,1960
5. On a new specimen of Pseudoaraucaria major Fliche (Pinaceae) from the Cretaceous of the Isle of Wight;Alvin;Botanical Journal of the Linnean Society,1988