Print version: Groning, Johann, 1669-1706. Unimpeded sailing : a critical edition of Johan Groning’s Navigatio libera (extended 1698 edition) Leiden ; Boston : Brill, c2019 161 pages Brill’s studies in maritime history ; Volume 6. ISBN 9789004352698
Introduction -- Groning Latin and Greek : the translator’s note -- Essay in his own defence -- Preface -- Chapter headings -- Treatise on unimpeded sailing -- Groning citations.