W. M. Mathew

• Edmund Ruffin and the crisis of slavery in the Old South
• Anglo-Peruvian commercial and financial relations 1820-1865 with special reference to Antony Gibbs and Sons and the guano trade
• Keiller's of Dundee
• La firma inglesa Gibbs y el monopolio del guano en el Perú
• The house of Gibbs and the Peruvian guano monopoly
• The secret history of Guernsey marmalade