Porter, E., & Sprague, H. (1802). A discourse delivered before the Humane Society of the Commonwealth of Massachusetts: At their semi-annual meeting, June 8, 1802. Boston: Printed by Hosea Sprague.

Porter, Eliphalet, and Hosea Sprague. A Discourse Delivered Before the Humane Society of the Commonwealth of Massachusetts: At Their Semi-annual Meeting, June 8, 1802. Boston: Printed by Hosea Sprague, 1802.

Porter, Eliphalet, and Hosea Sprague. A Discourse Delivered Before the Humane Society of the Commonwealth of Massachusetts: At Their Semi-annual Meeting, June 8, 1802. Boston: Printed by Hosea Sprague, 1802.