https://www.abebooks.com/9780283353239/Grandeur-Rome-Sidgwick-Jackson-Great-0283353236/plp
The Grandeur That Was Rome (Sidgwick & Jackson Great Civilization Series) - Stobart, John Clarke:...
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https://www.cambridge.org/core/journals/utilitas/article/abs/eye-of-the-universe-henry-sidgwick-and-the-problem-public/06259F502945DD68D672F07A3EFE7D2A
Eye of the Universe: Henry Sidgwick and the Problem Public | Utilitas | Cambridge Core
Eye of the Universe: Henry Sidgwick and the Problem Public - Volume 14 Issue 2
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Sidgwick Works
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https://gutenberg.org/ebooks/46743
The Methods of Ethics by Henry Sidgwick | Project Gutenberg
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https://gutenberg.org/ebooks/57558
Walking essays by Arthur Sidgwick | Project Gutenberg
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