Advice for Grad student
I find the "A PhD Thesis Without Tears" really useful especially for PhD students in Australia. The pdf version of this book can be found here.
Greg Mankiew's Advice for Grad student and new junior faculty:
http://gregmankiw.blogspot.com/2006/05/advice-for-grad-students.html
http://gregmankiw.blogspot.com/2007/02/advice-for-new-junior-faculty.html
Michèle Tertilt's Advice (and Resources) for Econ Ph.D. Students:
http://www.stanford.edu/~tertilt/
I found her advice really useful
International Data
http://www.worldbank.org/data/
http://econ.worldbank.org/external/default/main?theSitePK=477872&contentMDK=20392406&menuPK=836389&pagePK=64168182&piPK=64168060
http://www.imf.org/external/pubs/ft/weo/2003/01/data/
http://www.nber.org/data/
http://www.wto.org/english/res_e/statis_e/statis_e.htm
http://www.ggdc.net
http://www.oecd.org
http://www.ilo.org/
http://laborsta.ilo.org/
http://ifs.apdi.net/imf/logon.aspx
http://www.heritage.org/research/features/index/
http://pwt.econ.upenn.edu/php_site/pwt_index.php
http://pwt.econ.upenn.edu/Downloads/index.htm
http://www.freetheworld.com/download.html
http://www.fraserinstitute.ca/economicfreedom/index.asp?snav=ef
http://www.cid.harvard.edu/ciddata/ciddata.html
http://www.freedomhouse.org/ratings/index.htm
http://www.cidcm.umd.edu/inscr/polity/index.htm
http://www.stanford.edu/~wacziarg/papersum.html
http://iicg.som.yale.edu/
http://www.icrgonline.com/
http://www.prsgroup.com/icrg/icrg.html
http://www.nuff.ox.ac.uk/Economics/Growth/datasets.htm
http://www.bris.ac.uk/Depts/Economics/Growth/datasets.htm
http://www.opec.org/home/
Iran Data
http://www.cbi.ir/default_en.aspx
http://www.eia.doe.gov/emeu/cabs/Iran/Background.html
http://energypolitical.com/