Orr's Circle of the Sciences: A Series of Treatises on the Principles of Science, with Their Application to Practical Pursuits. Organic Nature ..., Volume 1

Orr's Circle of the Sciences: Organic nature, v. 3] A system of natural history: 2. Vertebrated animals

The Principles of Physiology, the Structure of the Skeleton and of the Teeth, and the Varieties of the Human Race: With an Introductory Treatise on the Nature, Connection and Uses of the Great Departments of Knowledge

Orr's Circle of the Sciences: Practical astronomy, navigation, nautical astronomy and meteorology

The Circle of the Sciences: Organic nature

Orr's Circle of the Sciences: A Series of Treatises on the Principles of Science, with Their Application to Practical Pursuits, Volume 4

The Circle of the Sciences: Mechanical philosophy

Orr's Circle of the Sciences: A Series of Treatises on the Principles of Science, with Their Application to Practical Pursuits, Volume 5

The Circle of the Sciences: A Series of Treatises on the Principles of Science : with Their Application to Practical Pursuits, Volume 1

Orr's Circle of the Sciences: Practical chemistry (1856)

Orr's Circle of the Sciences: Organic nature, vols. 1-3 (1854-1856)

Orr's Circle of the Sciences: Organic nature, v.1] The principles of physiology

Orr's Circle of the Sciences: Organic nature, v. 2] A system of natural history: 1. Botany and the invertebrated animals

Orr's Circle of the Sciences: Elementary chemistry of the imponderable agents and of inorganic bodies

The Circle of the Sciences: A Series of Treatises on the Principles of Science, with Their Application to Practical Pursuits ...

Orr's Circle of the Sciences: Inorganic nature] Geology, mineralogy, and crystallography

Orr's Circle of the Sciences: Mechanical philosophy (1856)

Orr's Circle of the Sciences: A Series of Treatises on the Principles of Science, with Their Application to Practical Pursuits. Organic Nature ..., Volume 2

Orr's Circle of the Sciences: A Series of Treatises on the Principles of Science, with Their Application to Practical Pursuits. The Mathematical Sciences

Orr's Circle of the Sciences: A Series of Treatises on the Principles of Science, with Their Application to Practical Pursuits. Organic Nature ..., Volume 3