Being a Series of Letters from the Twins at the Panama-Pacific International Exposition to Their Cousins at Home
containing an account of that country, of the zoology of the North; of the Shetland Islands; and of the whale fishery
A Discourse Delivered Before the Historical Society of Pennsylvania
Being the parable of the man whom the disciples saw casting out devils
A Vital Problem of Married Life
A Discussion of the Science of Train Dispatching: (Second Edition)
Instruction Paper
