Early modern books held their resale value and served as pension planning

Evidence

Books seem to have held their value remarkably well, and often sold for much the same prices for which they were purchased twenty or thirty years before. … Books were a necessary part of professional lives; they could also be seen as prudent pension planning. — Andrew Pettegree, Arthur der Weduwen, The Library- A Fragile History, 290

Categorization

• corroborated: 2 independent passages support this claim — Andrew Pettegree, Arthur der Weduwen, The Library- A Fragile History, 290
• XREF: connects to: The antiquarian book market formed within a century. — Andrew Pettegree, Arthur der Weduwen, The Library- A Fragile History, 501; Libraries began to prize books for physical attributes over content. — Andrew Pettegree, Arthur der Weduwen, The Library- A Fragile History, 502

Broader Connections

• The antiquarian book market formed within a century. #expands (0.65) — Andrew Pettegree, Arthur der Weduwen, The Library- A Fragile History, 501
• Libraries began to prize books for physical attributes over content. #expands (0.40) — Andrew Pettegree, Arthur der Weduwen, The Library- A Fragile History, 502