1.
Meteorological measurements in the upper air at station Breedene, 1915-06-28 to 1917-05-24, ERA-CLIM ID 4983
2.
Meteorological measurements in the upper air at station Breedene, 1915-07-09 to 1917-05-25, ERA-CLIM ID 4984
Meteorological measurements in the upper air at station St. Michel, 1917-09-30 to 1918-09-28, ERA-CLIM ID 4985
Historical upper-air measurements during intercomparison campaign COMP003 in 1954
Meteorological measurements in the upper air at station Soesterberg, 1911-06-09 to 1920-06-14, ERA-CLIM ID 5003A
Meteorological measurements in the upper air at station Soesterberg, 1911-06-09 to 1920-06-14, ERA-CLIM ID 5003B
Meteorological measurements in the upper air at station De Kooy, 1921-09-09 to 1923-12-18, ERA-CLIM ID 5006
Meteorological measurements in the upper air at station Soesterberg, 1913-02-12 to 1918-03-09, ERA-CLIM ID 5007A
Meteorological measurements in the upper air at station Soesterberg, 1913-02-12 to 1918-03-09, ERA-CLIM ID 5007B
Meteorological measurements in the upper air at station Soesterberg, 1913-09-15 to 1923-12-31, ERA-CLIM ID 5012A