Date: 22 Tamuz 5580
From: Rabbi Moshe Sofer
To: Rabbi Yechezkel Katz, Community Leaders
The responsum addresses a will that instructs the sale of the author's books to fund the printing of his own works, and whether it is permissible to sell the books and invest the principal until the printing can be arranged.
Source: Shu"t Chasam Sofer Collected §56