 Further editions of the "National Cyclopedia" were published in 1875 and in 1884-8.The last was a "revised" edition edited by J. H. F. Brabner.There was also apparently an American edition of the "National Cyclopedia of Useful Knowledge"

The most famous of the derivatives of the "Penny Cyclopaedia" was the "English Cyclopedia", which would go on to form the basis of "Everyman's Encyclopaedia".