Chapter Janet Laidla (2019)
Hugo Masing’s Golitsyn-Vilip Seismographs: From Tartu to Five Continents. In: Scientific Instruments between East and West (pp. 154-167). (/isis/citation/CBB706834036/) unapi

Article Markkanen, Tapio (2013)
The Development of the Classical Observatory: From a Functional Shelter for the Telescope to the Temple of Science. Acta Baltica historiae et philosophiae scientiarum (pp. 38-52). (/isis/citation/CBB001451595/) unapi

Chapter Oestmann, Günter (2007)
Zur frühen Geschichte der Dorpater Sternwarte und ihrer instrumentellen Ausstattung. In: Der Meister und die Fernrohre: Das Wechselspiel zwischen Astronomie und Optik in der Geschichte (p. 315). (/isis/citation/CBB000930922/) unapi

Article Marland, Hilary (1987)
The medical activities of mid-19th-century chemists and druggists, with special reference to Wakefield and Huddersfield. Medical History (pp. 415-439). (/isis/citation/CBB000043699/) unapi