Special collections:

Scripps Institution of Oceanography Archives: http://siohistory.ucsd.edu/

Woods Hole Oceanographic Institution Data Library & Archives: https://www.dla.whoi.edu/

UK National Oceanographic Library: https://noc.ac.uk/facilities/national-oceanographic-library

Related organizations:

The Historical-Oceanographic Yearbook: https://www.deutsches-meeresmuseum.de/wissenschaft/publikationen/hist-meereskundliches-jahrbuch/

The Dutch ‘Historie van de Oceanografie Club’, or HOC: http://www.historie-oceanografie.nl/

Port Towns & Urban Cultures: http://porttowns.port.ac.uk/

Intergovernmental Oceanographic Commission (UNESCO): http://ioc-unesco.org/

Ocean Memory Project: https://oceanmemoryproject.com/