John Robertson (Royal Philosophical Society) an Ernst Haeckel, Glasgow, 2. Mai 1904.
GLASGOW, 2nd May a 1904.
I have the honor to return you the thanks of the Council of the Royalb Philosophical Society of Glasgow, for your present of parts 10 and 11 of Kunstformen der Nature
which has been received and is deposited in the Library of the Society.
I am, Sir,
Your most obedient Servant,
John Robertson Honorary Librarian
Professor Ernst Haeckel
a gestr.: 18; b egh. eingef.: Royal