The BPS celebrated its centenary in 1991; amongst other things, it was marked by the publication of the book, "A World of Ferns".
Amongst other things, it was marked by a book, "A World of Ferns". The BPS celebrated its centenary in 1991.
The BPS celebrated its centenary in 1991. Amongst other things, it was marked by a book, "A World of Ferns".
The BPS celebrated its centenary in 1991. Amongst other things, it was marked by a book, "A World of Ferns".