I am a firm believer that management does not vary much between disciplines. Over the years I have subscribed to many membership organisations that have all been helpful in their own way. I have listed some of them with their links below:

The IATEFL Management SIG resource page

http://eltm.iatefl.org/resources/articles.html

The Chartered Management Institute

http://www.managers.org.uk/

The Institute of Management

http://www.i-l-m.com/default.aspx

The International Association of Bookkeepers

http://www.iab.org.uk/

Management Today newsletter

http://www.managementtoday.co.uk/newsbyemail/

If you have any links to management and administrative websites that you think should be publicised, please feel free to forward them to me.