//
  • Subject is exactly "Ether (Matter)"
https://library.rds.ie/files/9-38.pdf
Item of correspondence from GFF letters
Collection

https://library.rds.ie/files/15-20.pdf
Item of correspondence from GFF letters
Collection

https://library.rds.ie/files/23-56.pdf
Item of correspondence from GFF letters
Collection

https://library.rds.ie/files/19-43.pdf
Item of correspondence from GFF letters
Collection

https://library.rds.ie/files/17-9.pdf
Item of correspondence from GFF letters
Collection

https://library.rds.ie/files/16-55.pdf
Item of correspondence from GFF letters
Collection