Purchase a leather bound hard cover copy from Abe Books US$49.27 (17.9.2023)
“The annotated constitution of the Australian Commonwealth”
PLEASE-NOTE: This is a small version of the original Constitution and is only 287 pages, not 1064.
https://www.abebooks.com/servlet/BookDetailsPL?bi=31534656315&cm_sp=det-_-bsk-_-bdp
Commonwealth of Australia Constitution Act 1900 (UK)
https://www.legislation.gov.uk/ukpga/Vict/63-64/12/contents/enacted (UK Government legislation website)
ConstitutionUKEnactedpga_19000012_en (pdf as enacted)
Commonwealth of Australia Constitution Act (current, includes s51 (xxiiiA)
Commonwealth-of-Australia-Constitution-Act (pdf)
If you are using these State Constitutions as references please check you are using the latest (current) version.
New South Wales Constitution Act 1902
http://classic.austlii.edu.au/au/legis/nsw/consol_act/ca1902188/ (URL)
Queensland Constitution Act 1867
https://www.legislation.qld.gov.au/view/html/inforce/current/act-1867-038# (URL)
South Australian Constitution Act 1934
https://www.legislation.sa.gov.au/lz?path=/c/a/constitution%20act%201934 (URL)
Tasmania Constitution Act 1934
https://www.legislation.tas.gov.au/view/pdf/authorised/2022-03-18%202022-04-06/act-1934-094 (URL pdf)
Victorian Constitution Act 1975
https://www.legislation.vic.gov.au/in-force/acts/constitution-act-1975/221 (URL)
VictorianConstitutionAct75-8750a223 (docx)
Western Australia Constitution Act 1889
https://www.legislation.wa.gov.au/legislation/statutes.nsf/law_a172_currencies.html (URL)
Constitution Act 1889 – [06-g0-00] (pdf)