On the 18th it was paid to Frederick Laan, Captain of the Dutch urca La Groenemberg five hundred and eighty-five reals of fine silver, so that he might accomplish his deal contracted with the crew of the sloop La Perfecta for helping to collect the goods from La Groenemberg, which was stranded at the bay because of a hurricane.
- Archivo Nacional de Cuba. Gobierno Superior Civil. Legajo: 452, exp.: 18575. Fecha: 14 d marzo de 1766..