On Boscovich's De natura et usu infinitorum and other mathematical works : translation and commentary / Frederick A. Homann.
Note:
A p. 422-433: Appendix I: A translation of the Nature and use of infinite and infinitely small quantities by Boscovich; a p. 434-436: Appendix II: A translation of Logarithms of negative quantities by Boscovich
R.J. Boscovich. Roma : Istituto della Enciclopedia italiana, c1993. p. 407-436