Hello, 

I was able to find some peer reviewed source for you which I have listed below. Thank you!

1) Impact of rotation angle on crawling and non-crawling 0-month-old infants’ mental rotation ability

• Journal: Journal of Experimental Child Psychology

• Author(s): Gerhard & Schwarzer
• Year: 2018
• doi:http://dx.doi.org.proxy2.cl.msu.edu/10.1016/j.jecp.2018.01.001

2) The Development of Motor behavior:

• Journal: WIREs Cognitive Science Volume 8, Issue 1-2/ e1430
• Author(s): Karen E. Adolph & John M. Franchak
• Year: 2016
• doi:https://doi-org.proxy2.cl.msu.edu/10.1002/wcs.1430

3) Crawling predicts infants’ understanding of agents’ navigation of obstacles

• Journal: The Official Journal of International Congress of Infant Studies
• Author(s): Rebecca J. Brand, Kelly Escobar, Adrien Baranès, Amanda Albu
• Year: 2015
• doi: https://doi.org/10.1111/infa.12084