This is from Kaggle's Facial Keypoint Detection dataset. Download the files from there if you are planning to run scripts here.
The dataset contains 7049 facial images and up to 15 keypoints marked on them.
The keypoints are in the facial_keypoints.csv file.
The images are in the face_images.npz file.
This is a kaggle dataset, so all acknowledgements are to kaggle.
From the original dataset acknowledgements :
"The data set for this competition was graciously provided by Dr. Yoshua Bengio of the University of Montreal"