Bird, Richard M.
The complete book of hardy perennials
Ward Lock, 1995
 Buku Teks
Hardy, Paul
Gaston Duridreux Paul Hardy
Descle de Brouwer, 1963
 Buku Teks
Blunden, Edmund
Thomas Hardy / Edmund Blunden
Macmillan's Pocket Lib., 1951
 Buku Teks
Hardy, Thomas, 1840-1928
Laural edition / Thomas Hardy
Dell, 1962
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Hardy, Thomas, 1840-1928
Return of the native / Thomas Hardy
Harper & Brothers, 1922.
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