A treatise on slate and slate quarrying /

Eitemau Tebyg

• A rudimentary and practical treatise on music /
  gan: Spencer, Charles Child.
  Cyhoeddwyd: (1881.)
• A treatise on the diseases of the ox : manual of bovine pathology /
  gan: Steel, John Henri.
  Cyhoeddwyd: (1881.)
• Elementary treatise on natural philosophy /
  gan: Deschanel, A. Privat.
• Rudimentary treatise on geology : part II historical-geology /
  gan: Tate, Ralph.
  Cyhoeddwyd: (1887.)
• A practical treatise on handrailing : showing new and simple methods for: finding the pitch of the plank... /
  gan: Collings, George.
  Cyhoeddwyd: (1882.)