A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf.
J. C. Adams. "On the Expression of the Product of Any Two Legendre's Coefficients by Means of a Series of Legendre's Coefficients." Proceedings of the Royal Society of London 27.185-189 (1878) 63-71