4. Quarterly Journal of the Royal Meteorological Society.
Helm Wind. Marriott. 1886 and 1889.
The Thickness of Shower Clouds. Clayden. 1886.
Methods of Cloud Measurement. Ekholm. 1888.
Cirrus Formation. Clayton. 1890.
Nomenclature of Clouds. Hildebrandsson. 1887.
„ „ Abercromby. 1887.
„ „ Wilson-Barker. 1890.
„ „ Gaster. 1893.