It is always good to reflect occasionally on professional ethics and the implications of those ethics in library practice. In this paper, based on a presentation given by the author at the 2014 IFLA satellite meeting “Ethical Dilemmas in the Information Society: How Codes of Ethics Help to Find Ethical Solutions,” August 14–15, 2014, Lili Luo examines some ethical issues addressed in contemporary reference work and reports on the results of a survey of reference librarians.—Editor