The reason is that I am curious about the book / page format used in the Bomford document, which I don't see used in any of the other documents. Is there an example of it being used that we can in another South Australia birth document?
Despite hours of looking I haven’t, so far, been able to find a South Australian birth certificate. I’m hoping some will emerge at some point, but I can’t find one.
It would be very interesting to see first of all, if it does match the Bomford certificate closely, but secondly, if there was a common format for certifying copies that referenced a ledger location.
This is from a genealogy help page posted by the State Library of South Australia (boldface added):
Certificates of registrationThe most useful resources are family birth, death and marriage certificates. Although certificates from different time spans will give you varying amounts of information. As a general rule a birth certificate will give you the father's name and occupation, and the mother's maiden name. Once you have this information you can then look for a marriage certificate of the parents. This will give you the father's name and occupation of both the bride and groom and the ages of both parties. Using this information you can then search for their birth certificates and thus go back a further generation.
Civil registration began in South Australia in July 1842. The State Library has multi-volume sets of birth, death and marriage information published by the South Australian Genealogy and Heraldry Society. These provide information taken off the certificates held by the Births, Deaths and Marriages Registration office of South Australia. These cover the following time spans, births 1842 - 1928, deaths 1842 - 1915 and marriages 1842 - 1937. Using these will give you basic information without having to purchase the certificates. We also have these resources available electronically within the Library. After these dates the Library has indexes for deaths up to 1970. These will provide you with the book and page number of where the record is held in the Births, Deaths and Marriages Registration Office and they may or may not give you a date of the event.
So now we know for sure they file the documents by book and page. The only remaining question is whether they were in the habit of citing the book and page when issuing a certificate. I don't think it's much of a question.