Say, B. (1799). An annual oration pronounced before the Humane Society of Philadelphia: On the objects & benefits of said institution ; the 28th day of February, 1799. Philadelphia: Whitehall [Press] Printed for William Young, bookseller and stationer.

Say, Benjamin. An Annual Oration Pronounced Before the Humane Society of Philadelphia: On the Objects & Benefits of Said Institution ; the 28th Day of February, 1799. Philadelphia: Whitehall [Press] Printed for William Young, bookseller and stationer, 1799.

Say, Benjamin. An Annual Oration Pronounced Before the Humane Society of Philadelphia: On the Objects & Benefits of Said Institution ; the 28th Day of February, 1799. Philadelphia: Whitehall [Press] Printed for William Young, bookseller and stationer, 1799.