Dorian's Dictionary of Science and Technology

Elsevier's Encyclopaedic Dictionary of Medicine

Dorian's Dictionary of Science and Technology, Volume English-French

Dorian's Dictionary of Science and Technology, Volume German-English

Dictionary of Science and Technology

Elsevier's dictionary of mining and mineralogy

Elsevier's dictionary of chemistry

Elsevier's Dictionary of Mining & Mineralogy in English/ French/ German & Italian

Elsevier's Encyclopaedic Dictionary of Medicine Vol. 4 Therapeutic Substances/ Defined in English

Elsevier's Encyclopaedic Dictionary of Medicine Vol. 3 Biology Genetics and Biochemistry in English French German Italian and Spanish

Dorian's Dictionary of Science & Technology English ­ German