Article Ogilvie, Marilyn Bailey; (2000)
Obligatory amateurs: Annie Maunder (1868-1947) and British women astronomers at the dawn of professional astronomy unapi

Book Becker, Barbara J.; (2011)
Unravelling Starlight: William and Margaret Huggins and the Rise of the New Astronomy unapi

Article Macdonald, Lee T.; (2010)
Isaac Roberts, E. E. Barnard and the Nebulae unapi

Chapter Price, Megan; (2008)
Amateurs and Professionals in Nineteenth-Century Archaeology. The Case of the Oxford “Antiquarian and Grocer” H. M. J. Underhill (1855--1920) unapi

Chapter Allen, David E.; (2005)
Collectors Harnessed: Research on the British Flora by Nineteenth-Century Amateur Botanists unapi

Article Dry, Sarah; (2009)
Safety Networks: Fishery Barometers and the Outsourcing of Judgement at the Early Meteorological Department unapi

Article Desmond, Adrian; (2001)
Redefining the x Axis: “Professionals,” “Amateurs” and the Making of Mid-Victorian Biology---A Progress Report unapi

Article Alberti, Samuel J. M. M; (2001)
Amateurs and Professionals in One County: Biology and Natural History in Late Victorian Yorkshire unapi

Chapter Williams, Matt; (2008)
Of Canals and Quarries: The Bath Geologists unapi

Article Freeman, P.W.M.; (2014)
Mommsen, Hübner, Haverfield, Watkin and Corpus Inscriptionum Latinarum vol. VII unapi

Article Sean Munger; (2015)
The Weather Watchers: Amateur Climatologists and Environmental Consciousness, 1810–20 unapi

Chapter Fyfe, Aileen; (2011)
Natural History and the Victorian Tourist: From Landscapes to Rock-Pools unapi

Article Middleton, Richard; (2014)
The Royal Horticultural Society's 1864 Botanical Competition unapi

Article Nathan Edward Charles Smith; (2023)
Fertile substrate: The rise, fall, and succession of popular microscopy in Great Britain unapi

Article Veneer, Leucha; (2006)
Provincial Geology and the Industrial Revolution unapi

Chapter Vitor Bonifácio; Isabel Malaquias; (2015)
Portuguese Amateur Astronomy (1850–1910) unapi

Chapter Dick, Wolfgang R.; Brüggenthies, Wilhelm; Münzel, Gisela; (2007)
Der Erfinder des Mittenzwey-Okulars: Moritz Mittenzwey (1836--1889) unapi

Article Wolfgang R. Dick; (2011)
Ein Breslauer Theologe als (Amateur-)Astronom: Franz Hoffmann (1752-1827); A theologician from Breslau as an (amateur) astronomer: Franz Hoffmann (1752-1827) unapi

Chapter Wayne Orchiston; (2015)
The Amateur-Turned-Professional Syndrome: Two Australian Case Studies unapi

Book Gary Kronk; (2017)
Lewis Swift: Celebrated Comet Hunter and the People's Astronomer unapi