The Quarterly journal of the Geological Society of London - Geological Society of America. (1851)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1853)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1854)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1855)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1856)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1857)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1858)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1859)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1860)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1863)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1864)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1865)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1866)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1867)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1868)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1869)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1870)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1871)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1872)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1873)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1875)