Article collections, databases and online magazines for leadership and management.
Mindtools.com is a website where you can find a toolkit full of different articles about leadership skills, team management, strategy tools, problem solving, decision making, project management, time management, stress management, communication skills, creativity tools, information skills, career skills etc.
Quite many of the tools are free to use.
http://www.strategy-business.com/
Strategy+business is an online managemen magazine. The articles cover a wide range of topics under strategy, marketing, operations, human capital, public presence, governance, and other domains.
Requires a free sign-up.
Entrepreneur is a magazine featuring many articles regarding business – including human resources, leadership and innovations. Their website is a great resource.
http://humanresources.about.com/
The Human Resources site on about.com has a vast collection of different articles and texts regarding HR, management, leadership etc. A great source of information.
Management Toolbox 