The New Grove Dictionary of Music and Musicians (English Wikipedia)

The 1900 reprint is available in text-searchable format at the Internet Archive: vols.1, 2, 3, 4. (Vol. 4 includes the Appendix, Index, and a catalogue of articles listed by author.)
The volumes of the second edition were published as follows:
Vol. 1 (1904) A–E (OCLC 250954613)
Vol. 2 (1906) F–L (OCLC 250954626)
Vol. 3 (1907) M–P (OCLC 250953930)
Vol. 4 (1908) Q–S (OCLC 252807560)
Vol. 5 (1910) T–Z, Appendix (OCLC 252807569)
• Text-searchable copies are available at:
• Internet Archive: vols. 1, 2, 3, 4, 5
• Google Books: vols. 1, 2, 3, 4, 5.
• Copies (non-searchable PDF image files) are also available for download at IMSLP.

books.google.com

The volumes of the first edition were published as follows:
Vol. 1 (1879) A – Impromptu
Vol. 2 (1880) Improperia – Plain Song
Vol. 3 (1883) Planché – Sumer is icumen in
Vol. 4 (1889) Sumer is icumen in – Z, Appendix, Supplement
Index (1890)
• Text-searchable copies are available at
Google Books: vols. 1, 2, 3, 4, Index.
• Additional copies (non-searchable PDF image files) are also available for download at IMSLP.
The volumes of the second edition were published as follows:
Vol. 1 (1904) A–E (OCLC 250954613)
Vol. 2 (1906) F–L (OCLC 250954626)
Vol. 3 (1907) M–P (OCLC 250953930)
Vol. 4 (1908) Q–S (OCLC 252807560)
Vol. 5 (1910) T–Z, Appendix (OCLC 252807569)
• Text-searchable copies are available at:
• Internet Archive: vols. 1, 2, 3, 4, 5
• Google Books: vols. 1, 2, 3, 4, 5.
• Copies (non-searchable PDF image files) are also available for download at IMSLP.
For the American Supplement published in 1920, see OCLC 1077116, searchable copy at Google Books, and IMSLP file #93522.
Levison, Brian; Farrer, Frances (2007). "How the Danes Discovered a New Composer". Classical Music's Strangest Concerts: Extraordinary But True Stories From Over Five Centuries of Harmony and Discord. London: Robson Books. pp. 40–43. ISBN 978-1-86105-938-3.

Grove Music Online Archived 16 May 2008 at the Wayback Machine – online version of the 2001 edition

The volumes of the first edition were published as follows:
Vol. 1 (1879) A – Impromptu
Vol. 2 (1880) Improperia – Plain Song
Vol. 3 (1883) Planché – Sumer is icumen in
Vol. 4 (1889) Sumer is icumen in – Z, Appendix, Supplement
Index (1890)
• Text-searchable copies are available at
Google Books: vols. 1, 2, 3, 4, Index.
• Additional copies (non-searchable PDF image files) are also available for download at IMSLP.
The volumes of the second edition were published as follows:
Vol. 1 (1904) A–E (OCLC 250954613)
Vol. 2 (1906) F–L (OCLC 250954626)
Vol. 3 (1907) M–P (OCLC 250953930)
Vol. 4 (1908) Q–S (OCLC 252807560)
Vol. 5 (1910) T–Z, Appendix (OCLC 252807569)
• Text-searchable copies are available at:
• Internet Archive: vols. 1, 2, 3, 4, 5
• Google Books: vols. 1, 2, 3, 4, 5.
• Copies (non-searchable PDF image files) are also available for download at IMSLP.
For the American Supplement published in 1920, see OCLC 1077116, searchable copy at Google Books, and IMSLP file #93522.

[Stanley Sadie and others] "The New Grove", in The Musical Times, Vol. 122, no. 1656 (February 1981), pp. 89–91.

Oestreich, James R. (21 January 2001). "Words on Music, 25 Million of Them". The New York Times. Retrieved 23 October 2009.

Deane L. Root, 1 July 2012, History of Grove Music — at oxfordmusiconline.com
"About Grove Music Online".
Oxford Music Online, retrieved 8 May 2015 (subscription required)
"Deane Root to be Editor in Chief of Grove Music Program at OUP" (press release), Oxford University Press.
"About Grove Music Online". Oxford Music Online. Retrieved 30 October 2024.
"About Oxford Music Online".

The volumes of the second edition were published as follows:
Vol. 1 (1904) A–E (OCLC 250954613)
Vol. 2 (1906) F–L (OCLC 250954626)
Vol. 3 (1907) M–P (OCLC 250953930)
Vol. 4 (1908) Q–S (OCLC 252807560)
Vol. 5 (1910) T–Z, Appendix (OCLC 252807569)
• Text-searchable copies are available at:
• Internet Archive: vols. 1, 2, 3, 4, 5
• Google Books: vols. 1, 2, 3, 4, 5.
• Copies (non-searchable PDF image files) are also available for download at IMSLP.
For the American Supplement published in 1920, see OCLC 1077116, searchable copy at Google Books, and IMSLP file #93522.
For the 4th edition Supplementary Volume published in New York, see OCLC 248932279. For the 4th edition Supplementary Volume published in London, see OCLC 493270221.
For the reprinted American Supplement published in New York, see OCLC 74811413.
Oxford Music Online: listing at WorldCat.