Sarton 1947, pp. 97–98. Sarton, George (November 1947), "Queries and Answers: Query no. 116", Isis, 38 (1/2), The University of Chicago Press on behalf of The History of Science Society: 94–98, doi:10.1086/348040, JSTOR225454
Tatlock 1914, pp. 443–444. Tatlock, John S. P. (October 1914), "Some Mediaeval Cases of Blood-Rain", Classical Philology, 9 (4), The University of Chicago Press: 442–447, doi:10.1086/359914, JSTOR261454, S2CID162376333
Tatlock 1914, pp. 443–446. Tatlock, John S. P. (October 1914), "Some Mediaeval Cases of Blood-Rain", Classical Philology, 9 (4), The University of Chicago Press: 442–447, doi:10.1086/359914, JSTOR261454, S2CID162376333
Schove 1951, p. 133. Schove, D Justin (April–June 1951), "Sunspots, Aurorae and Blood Rain: The Spectrum of Time", Isis, 42 (2), The University of Chicago Press on behalf of The History of Science Society: 133–138, doi:10.1086/349284, JSTOR226971, PMID14840957, S2CID44345172
Schove & Ho 1967, p. 110. Schove, D Justin; Ho, Peng-Yoke (June 1967), "Chinese Records of Sunspots and Aurorae in the Fourth Century A. D.", Isis, 87 (2), The University of Chicago Press on behalf of The History of Science Society: 105–112, doi:10.2307/597392, JSTOR597392
Sampath, S.; Abraham, T. K; Sasi Kuma; V. & Mohanan, C.N. (2001). "Coloured Rain: A Report on the Phenomenon"(PDF). Cess-Pr-114-2001. Center for Earth Science Studies and Tropical Botanic Garden and Research Institute. Archived from the original(PDF) on 13 June 2006. Retrieved 30 August 2009.
Sarton 1947, pp. 97–98. Sarton, George (November 1947), "Queries and Answers: Query no. 116", Isis, 38 (1/2), The University of Chicago Press on behalf of The History of Science Society: 94–98, doi:10.1086/348040, JSTOR225454
Tatlock 1914, pp. 443–444. Tatlock, John S. P. (October 1914), "Some Mediaeval Cases of Blood-Rain", Classical Philology, 9 (4), The University of Chicago Press: 442–447, doi:10.1086/359914, JSTOR261454, S2CID162376333
Tatlock 1914, pp. 443–446. Tatlock, John S. P. (October 1914), "Some Mediaeval Cases of Blood-Rain", Classical Philology, 9 (4), The University of Chicago Press: 442–447, doi:10.1086/359914, JSTOR261454, S2CID162376333
Schove 1951, p. 133. Schove, D Justin (April–June 1951), "Sunspots, Aurorae and Blood Rain: The Spectrum of Time", Isis, 42 (2), The University of Chicago Press on behalf of The History of Science Society: 133–138, doi:10.1086/349284, JSTOR226971, PMID14840957, S2CID44345172
Schove & Ho 1967, p. 110. Schove, D Justin; Ho, Peng-Yoke (June 1967), "Chinese Records of Sunspots and Aurorae in the Fourth Century A. D.", Isis, 87 (2), The University of Chicago Press on behalf of The History of Science Society: 105–112, doi:10.2307/597392, JSTOR597392
nih.gov
pubmed.ncbi.nlm.nih.gov
Schove 1951, p. 133. Schove, D Justin (April–June 1951), "Sunspots, Aurorae and Blood Rain: The Spectrum of Time", Isis, 42 (2), The University of Chicago Press on behalf of The History of Science Society: 133–138, doi:10.1086/349284, JSTOR226971, PMID14840957, S2CID44345172
BAST, F, BHUSHAN, S., JOHN A.A., ACHANKUNJU, J., PANIKKAR N.M.V., HEMETNER, C., AND STOCKER-WÖRGÖTTE, E. 2015 European Species of Subaerial Green Alga Trentepohlia annulata (Trentepohliales, Ulvophyceae) Caused Blood Rain in Kerala, India. J Phylogen Evolution Biol 3: 144 < URL
Tatlock 1914, pp. 443–444. Tatlock, John S. P. (October 1914), "Some Mediaeval Cases of Blood-Rain", Classical Philology, 9 (4), The University of Chicago Press: 442–447, doi:10.1086/359914, JSTOR261454, S2CID162376333
Tatlock 1914, pp. 443–446. Tatlock, John S. P. (October 1914), "Some Mediaeval Cases of Blood-Rain", Classical Philology, 9 (4), The University of Chicago Press: 442–447, doi:10.1086/359914, JSTOR261454, S2CID162376333
Schove 1951, p. 133. Schove, D Justin (April–June 1951), "Sunspots, Aurorae and Blood Rain: The Spectrum of Time", Isis, 42 (2), The University of Chicago Press on behalf of The History of Science Society: 133–138, doi:10.1086/349284, JSTOR226971, PMID14840957, S2CID44345172
Sampath, S.; Abraham, T. K; Sasi Kuma; V. & Mohanan, C.N. (2001). "Coloured Rain: A Report on the Phenomenon"(PDF). Cess-Pr-114-2001. Center for Earth Science Studies and Tropical Botanic Garden and Research Institute. Archived from the original(PDF) on 13 June 2006. Retrieved 30 August 2009.