tar xvzf virtualenv-16.4.1.tar.gz

  cd virtualenv-16.4.1

  python virtualenv.py ../my-python-env

  cd ..
  source my-python-env/bin/activate 

  pip install xlrd

Assuming you have downloaded the Heritage XLSX spreadsheet from their
OneDrive, access through:

  https://heritagenewzealand.sharepoint.com/sites/ArchaeologicalReportsDigitalLibrary/Shared%20Documents/Forms/AllItems.aspx?RootFolder=%2Fsites%2FArchaeologicalReportsDigitalLibrary%2FShared%20Documents

(password protected, a valid account is needed)

You are now ready to convert the spreadsheet into the various CSV
files used to build the collection, which can be done by: 

  cd ..
  ./PREPARE-IMPORT.sh