Witte, E., Verhaegen, A., Verhaegen, M., Logie, J., Hoebanx, J., Despy-Meyer, A., . . . van Ypersele de Strihou, A. (1996). Pierre-Théodore Verhaegen (1796 - 1862). Brussel: VUBpress.
Lua i Stíl Chicago (17ú heag.)Witte, Els, et al. Pierre-Théodore Verhaegen (1796 - 1862). Brussel: VUBpress, 1996.
Lua MLA (8ú heag.)Witte, Els, et al. Pierre-Théodore Verhaegen (1796 - 1862). Brussel: VUBpress, 1996.
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