A Dictionary of the Booksellers and Printers who Were at Work in England, Scotland and Ireland from 1641 to 1667/Seamer (H )
SEAMER (H), bookseller (?) in London; Near the Inner Temple, 1660. His name occurs on the imprint to a pamphlet entitled Landing of His … Majesty … at Dover, 1660. [Hazlitt, iii. 38.]