Matilda Cullen Knowles (English Wikipedia)

"Matilda Knowles plaque unveiled at the National Botanic Gardens". National Botanic Gardens of Ireland. 12 October 2014. Archived from the original on 16 November 2017. Retrieved 8 November 2014.

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Creese MRS. (2004). "Smith, Annie Lorrain (1854–1937)". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/46420. Retrieved 4 November 2014. (Subscription or UK public library membership required.) (subscription required)
Nelson EC (2004). "Knowles, Matilda Cullen (1864–1933)". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/54032. Retrieved 4 November 2014. (Subscription or UK public library membership required.) (subscription required)
McCarthy PM. (1988). "New and interesting species of Verrucaria I". The Lichenologist. 20 (1): 1–10. doi:10.1017/S0024282988000039. S2CID 85923020.
Doidge EM. (1924). "South African Ascomycetes in the National Herbarium. Part III. Nos. 86-135". Bothalia. 1 (4): 195–221. doi:10.4102/abc.v1i4.1784.

Mulvihill M. (9 October 2014). "To Matilda Knowles". Irish Times. Retrieved 2 November 2014.

"Matilda Knowles – Obituary". The Irish Naturalists' Journal. 4 (10). 1933. JSTOR 25532193.

Creese MRS. (2004). "Smith, Annie Lorrain (1854–1937)". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/46420. Retrieved 4 November 2014. (Subscription or UK public library membership required.) (subscription required)
Nelson EC (2004). "Knowles, Matilda Cullen (1864–1933)". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/54032. Retrieved 4 November 2014. (Subscription or UK public library membership required.) (subscription required)

McCarthy PM. (1988). "New and interesting species of Verrucaria I". The Lichenologist. 20 (1): 1–10. doi:10.1017/S0024282988000039. S2CID 85923020.

"Matilda Knowles plaque unveiled at the National Botanic Gardens". National Botanic Gardens of Ireland. 12 October 2014. Archived from the original on 16 November 2017. Retrieved 8 November 2014.

Salter-Townshend C. "Women's Museum of Ireland – Matilda Knowles". Women's Museum of Ireland. Retrieved 8 November 2014.