21,2=1889; 31,1=1890; 31,2=1891 von: New England Meteorological Society: Investigations of the New England Meteorological Society
41,1=1892; 41,2=1893; 41,3=1894; 41,4=1895 von: New England Weather Service (Boston, Mass.): Observations of the New England Weather Service
20,1=1887; 20,2=1888; 30,1=1889; 30,2=1890; 40,1=1891; 40,2=1892; 40,3=1893; 40,4=1894; 40,5=1895; 42,1=1896; 42,2=1897/98 von: Blue Hill Meteorological Observatory: Observations made at the Blue Hill Meteorological Observatory, Massachsetts, USA
21,1=1888 von: New England Meteorological Society: Observations of the New England Meteorological Society
43,2=1899/1900; 43,3=1901/02; 58,2=1903/04; 58,3=1905; 68,2=1906/08; 73,1=1909/10; 73,2=1911/14; 73,3=1915; 83,1=1916; 83,2=1917; 83,3=1918; 83,4=1919; 83,5=1920; 86,1=1921; 86,2=1922; 86,4=1923; 87,1=1924; 87,2=1925/26 von: Blue Hill Meteorological Observatory: Observations and investigations made at the Blue Hill Meteorological Observatory
18=1886/90; 29=1883/93; 33=1894/99; 41=1892/1902; 48=1902/03; 60=1906/08; 76=1914/15; 81=1918/22 von: Miscellaneous researches made during the years ...