Buku

Inggris:

• Great Britain, India Office (1878), A Catalogue of Manuscript and Printed Reports, Field Books, Memoirs, Maps, etc., of the Indian Surveys, Deposited in the Map Room of the India Office. See Amur map catalogue entry appearing in the Asiatic Russia section, p. 511.
• Mollin, Richard A. (2011), Algebraic Number Theory, Second Edition, CRC Press, ISBN 978-1-4398-4599-8 (ebook).
• SCTLRAS (1900), Supplementary Catalogue of The Library of the Royal Astronomical Society, June 1884 – 1898, Royal Astronomical Society, Burlington House, London; Spottiswoode & Co., London (publisher).
• Siilivask, Karl (1985), History of Tartu University: 1632-1982, Perioodika. This reference uses "(1822-1894)" at p. 119.

Jerman:

• Raade, Gustav (1863), Reisen im Suden von Ost-Sibirien in den Jahren 1855-59, Russian Geographical Society.

2 volumes: I. Die Saugethierfauna , 1862; II. Die Festlands-Ornis , 1864. From volume 2, p. 260, plate 9, figs. 1a, 1b, 1c (1863).

[English: Travel to the South of Eastern Siberia in the Years 1855-59: I. The Wildland Animal Fauna, 1862; II. The Mainland-Birds, 1864].

Collectively referred to as Reisen im Suden Ost-Sibiriens [English: Travel to the South East Siberians].

Jurnal

Inggris:

• EMWS Editor (1894). "Scientific News". English Mechanic and World of Science. 60 (1548): 317. , 23 November 1894.
• Kropotkin (1903), (Prince) Pyotr Alexeyevich; and Freshfield, Douglas W., "Obituary. Dr. Gustav Radde." The Geographical Journal, Vol. 21, No. 5 (May, 1903), pp. 563–565. The Royal Geographical Society (publisher).
• MNRAS (1888), Monthly Notices of the Royal Astronomical Society, Volume 48 (1887-1888), Burlington House, London; Spottiswoode & Co., London (publisher); entry as: Dorpat, Kaiserliche Universitats-Sternwarte, Band xvii. Angestellt und herausgegeben von Ludwig Schwarz.
• Observatory, Editor (1894), The Observatory: A Review of Astronomy, vol. 17, The Royal Astronomical Society, hlm. 376 . November 1894 issue. United Kingdom.
• Outlook, Editor (1894). "October Necrology". The Outlook. 50: 775. , 10 November 1894 issue, necrology entry for October 3.
• PASP, Editor (1891). "Unbound books and pamphlets". Publications of the Astronomical Society of the Pacific. 3. Astronomical Society of the Pacific: 330. Bibcode:1891PASP....3..320.. doi:10.1086/120346. , San Francisco, USA.

Peta

Rusia:

• Amur Region, 1861.
• Amur Region, 1864.

[English: Amur catalog entry of 2 Russian maps appears in the Great Britain, India Office (1878) book at p. 511 in the section "Asiatic Russia" [noted above] as: "The Amur. KAPTA Map of the Region of the AMUR with the upper parts of the Lena and Yenisei and the Island of Saghalin Constructed from the observation of the Siberian expedition of the Imperial Russian Geographical Society by Ludwig Schwarz astronomer to the expedition St Petersburg 1861 In Russian Scale 1 1,680,000 or about 27 miles to 1 inch on 7 sheets in a cover size of each 25 inches by 31. Another edition dated 1864."]