Quantity Bibliographies, including Bibiotheca Mechinica, Roberts & Trent, Johnathan Hill Ny 1991; the Literature of Domestic British Architecture 1715-1842, Archer, Mit Press, Cambridge 1985; South African War Books, Hacket Privately Printed, London 1984; Rickards Encyclopaedia of Ephemera, British Library, 2000; Oxford Dictionary of National Biography, 2 vols. to 1960. 20+