Talk:Willem Usselincx

Lazy citations
Citations 8 and 9 mention the book "Naerder Bedenckingen, Over de zee-vaert/ Coophandel ende Neeringhe alsmede de versekeringhe vanden Staet", but I want more details, especially an ISBN. 216.6.146.26 (talk) 16:51, 14 September 2023 (UTC)