For several reasons, including lack of resource and inherent ambiguity, not all names in the NZETC are marked-up. This means that finding all references to a topic often involves searching. Search for S. K. L. Campbell as: "S. K. L. Campbell". Additional references are often found by searching for just the main name of the topic (the surname in the case of people).
The following collections may have holdings relevant to "S. K. L. Campbell":
- Dictionary of New Zealand Biography, which has entries for many prominent New Zealanders.
- National Library of New Zealand, which has extensive collections of published material.
- nzhistory.net.nz, from the History Group of the Ministry for Culture and Heritage.