Hugo Grotius de mari libero. et P. Merula de maribus.
Grotius, Hugo,1583-1645.
Merula, Paulus,1588-1607.De maribus.
Lugd. Batauorum, ex officina Elzeviriana.
Anno 1633.
The title-page is engraved.
References: Willems 385 (variant).
Maritime law.
Freedom of the seas.