References
- Eager, A.R. and Scannell, M.J.P. 1978. William M'Calla: his published papers overlooked in scientific literature. Ir.Nat. J. 19: 281.
- Eager, R. Alan and Scannell, J.P. 1981. William M'Calla (c. 1814 - 1849), Phycologist; his published papers of 1846. J.Life Sci. R. Dubl. Soc. 2 109 - 135.
- Nelson, E.C. 1981. William McCalla - A second 'panegyric' for an Irish phycologist. Ir Nat. J. 20:275 - 283.
- Morton, O. 1980. Three algal collections in the Ulster Museum Herbarium. Ir. Nat. J. 20: 33 - 37.
- Robinson, Tim, 2006. Connemara:Listening to the Wind, pp. 39–41.
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