I am traveling to Spain but have a layover in Amsterdam. Do I need a transit visa to leave the airport in Amsterdam? I will have Schengen Visa. - Quora
Netherlands Permits Highly Skilled Migrants From Several Countries to Work Temporarily Without a Valid Residence Permit - SchengenVisaInfo.com
Netherlands Frequently Asked Questions
Residence permit | I amsterdam
Visas and permits - University of Amsterdam
Information and types of short stay visa for the Netherlands
Visa requirements for visiting Norway - Lonely Planet