The Coaching and Mentoring Network (UK) lists 71 articles written by European leaders in the industry.
http://www.coachingnetwork.org.uk/resourcecentre/articles/Default.asp

Coaching At Work magazine published by CIPD in the UK. This is a first•rate printed magazine with articles relating to the business of coaching from a corporate and European perspective. The CIPD also publishes an annual survey of corporate use of coaching and mentoring.
http://www.cipd.co.uk/coachingatwork

Choice a USA based coaching magazine.

Christian Coaching Magazine is a paid online magazine. With a largely USA focus, the journal's author's are an even split of ministry and business background coaches.
http://www.christiancoachingmag.com

International Journal of Evidence Based Coaching and Mentoring (UK) is a free access, international peer reviewed journal, which is published bi-annually online in February and August. The aim of the journal is to provide evidence-based, well-researched resources for students, professionals, corporate clients, managers and academic specialists who need to be at the forefront of developments in the field.
http://www.business.brookes.ac.uk/research/areas/coaching&mentoring

International Journal of Coaching in Organizations (IJCO) welcomes professional coaches and coaching clients to a forum focused on the disciplined practice of coaching within organizations. Published four times a year, the IJCO has been created to meet the needs of the professional coaching community. (A paid subscription. Just a few free articles.)
http://ijco.info

Peer Resources (Canada) has collected about all the existing information about coaching including, journals, books, associations, and training schools.
http://www.peer.ca