1. Administración de la Seguridad Social (Social Security Administration, SSA) 2013 International update: Recent developments in foreign public and private pensions
2. Administración de la Seguridad Social (Social Security Administration, SSA) 2012 International update: Recent developments in foreign public and private pensions
3. Administración de la Seguridad Social (Social Security Administration, SSA) 2010 International update: Recent developments in foreign public and private pensions
4. Administración de la Seguridad Social (Social Security Administration, SSA) 2009 International update: Recent developments in foreign public and private pensions