These methods include inference of surface temperature change from vertical temperature profiles in the ground (bore holes) at many sites around the world ,
2.2 How Much is the World Warming? 2.2.1 Background 2.2.2 Temperature in the Instrumental Record for Land and Oceans The SAR reviewed the three databases of land- surface air temperature due to Jones (1994), Hansen and Lebedeff
The surface air temperature of the world has warmed 0.5°C since the middle of . Angell, J.K. and Jones, P.D. 1985: Analysis of the temperature record .
The Great War A Guide to the Service Records of All the Worlds Fighting Men and simpler with the publication of this magnificent guide to WWI service records. unit records, embarkation lists, death records and casualty reports ,