A company that sells online reference libraries will be incorporating materials published by the same company that publishes the NU Online News Service.

Books24x7, Norwood, Mass., a unit of SkillSoft P.L.C., will be adding about 3 dozen titles from The National Underwriter Company, Erlanger, Ky., to the Books24x7 FinancePro Referenceware library.

The additions could include life and financial planning books such as Tools & Techniques of Life Insurance Planning as well as a variety of property-casualty books, according to Books24x7.

The National Underwriter Company is a unit of Highline Media L.L.C., Erlanger, Ky.