151-152.
(13) Neuburger: History of Medicine, Vol.

I, pp.

368-369.
Innumerable manuscripts of it exist: of one of the most beautiful, a Hebrew version (Bologna Library), I give an illustration.

A Latin version was printed in 1472 and there are many later editions, the last in 1663.

Avicenna was not only a successful writer, but the prototype of the successful physician who was at the same time statesman, teacher, philosopher and literary man.