Recommended links about giving and receiving feedback

Recommended books, articles, talks and podcasts about giving and receiving feedback.

How to have a difficult conversation [poster]
A series of excellent pieces of advice from Hayley Lewis for the before, during and after of difficult conversations
How to make a sandwich [talk]
Dan North's advice on offer effective feedback from 'porpoise' feedback to offering a 'leading edge'
Can your employees really speak freely? [article]
Practical advice for improving feedback loops within heirarchies
Thanks for the feedback: The science and art of receiving feedback well [book]
Douglas Stone and Sheila Heen help you get the most out feedback
Criticism and ineffective feedback [article]
Kate Heddleston on the value of helping people understand how to improve rather than telling them what they are doing wrong