Wells, D. A. 1., Bliss, G., Kneeland, S., Trowbridge, J., Nichols, W. R. 1., & Cross, C. R. 1. (1850). The annual of scientific discovery: Or, Year-book of facts in science and art. Boston: Gould, Kendall, and Lincoln.

Wells, David A. 1828-1898., George Bliss, Samuel Kneeland, John Trowbridge, Wm. Ripley 1847-1886 Nichols, and Charles R. 1848-1921 Cross. The Annual of Scientific Discovery: Or, Year-book of Facts in Science and Art. Boston: Gould, Kendall, and Lincoln, 1850.

Wells, David A. 1828-1898., et al. The Annual of Scientific Discovery: Or, Year-book of Facts in Science and Art. Boston: Gould, Kendall, and Lincoln, 1850.