postcard.co.uk

I would be grateful if someone could identify the publisher of cards where the logo looks like the head and shoulders of a dog holding up a paper or slate and reading it. http://rthcards.co.uk/blog/dogreadinglogo.jpg . The cards are 1910-ish views of home counties. The logo is on the back of the car...

Not sure what cards you collect (!), but another logo site is http://www.helmut-schmidt-online.de/Boudoir-Cards/fp-publishers.html and a mega-reference given there, for French cards http://fr.wikibooks.org/wiki/Photographie/Soci%C3%A9t%C3%A9s_et_Organisations/%C3%89diteurs_de_cartes_postales This la...

John Walker & Co., Ltd. (1903-1910)

I think they were publishers rather than printers.

see
http://www.metropostcard.com/publishersw.html
David