1. Radar studies of songbird migration in coastal New England;Drury;Condor,19241926
2. Evidence concerning the function of nocturnal call-notes of migratory birds;Hamilton;Condor,1962
3. Migration across the North Sea studied by radar. Part 2- The spring departure 1956-59; Part 3-Movements in June and July; Part 4-The autumn; Part 5-Movements in August, winter and spring, and conclusion;Lack;Condor,1960
4. Falls of night migrants on the English east coast in autumns 1960 and 1961;Lack;Bird Migration,1962
5. Problems of Mediterranean-Saharan migration;Moreau;Bird Migration,1961