1. Co-operation among animals with human implication;Allee,1951
2. Division of labour and foraging in Bombus agrorum Fabricius;Brian;J. anim. Ecol.,1952
3. The method of importance of the recognition by a colony of honeybees (A. mellifera) of the presence of its queen;Butler;Trans. R. ent. Soc. Lond.,1954
4. Some further observations on the nature of “queen substance” and of its role in the organisation of a honeybee (Apis mellifera) Community;Butler;Proc. R. ent Soc. Series A.,1955
5. The behaviour of worker honeybees at the hive entrance;Butler;Behaviour,1952