This website attempts to provide links to all official government gazettes available online. It is particularly helpful because it includes an annotation for each entry regarding scope and content.
This website offers a searchable database of over 55,000 treaties
of the 20th century. Compiled using a subject thesaurus, it can be
search a number of ways and is a good source for identifying bilateral
agreements.
1) One way that these publications can be identified is by carrying out a subject search in the HOLLIS Classic catalogue.
New Zealand Treaty Series, through the New Zealand Legal Information Institute. The database pulls information from the New Zealand Ministry of Foreign Affairs and Trade. Researchers are also encouraged to visit that ministry's website to make sure their information is up to date, and for more information on the treaty making process in New Zealand.