7 books
Elements of Hydrographic Surveying (Classic Reprint)
Elements of Hydrographic Surveying (Large Text Classic Reprint)
Elements of Hydrographic Surveying - Scholar's Choice Edition
Elements of Hydrographic Surveying - Primary Source Edition
Elements of Hydrographic Surveying (1907)
Elements of Hydrographic Surveying
American Practical Navigator, an Epitome of Navigation and Nautical Astronomy