Translation of köpfen

Writing large essays has never been my favorite task although it is one of the most important when learning a language. Spanish, English and German are all entirely supported by Vocabulix.
On Friday we are flying to Switzerland and then on Monday we will continue to Boston, Maine, Vermont and New Hampshire. I am very excited. Maybe this is going to be a great experience again.
That is great. Thank you for the support (and for the compliment). Recommendations by universities are always very appreciated, as universities are usually more selective about external resources.