Boleti?n Mensual An?o 1895[-August 1925.]
Weather Bureau (Philippine Islands). - Manila Central Observatory.
Manila,
1896-1926.
From 1926 the "Bulletin" is split into two publications: "Meteorological bulletin" & "Seismological bulletin", both entered under the above heading.
Wanting Jan.-Aug., 1902; 1914. Nov., 1918; Feb., May, July, 1920; all 1921 but for Aug.; June-Nov., 1922; May-Dec., 1923; May-Aug., 1924.