There’s an easy way to do research on Low Carb dieting that doesn’t require taking a trip to a university library (at least not to start with).
It’s the Google Scholar search engine.
Type in your search criteria, such as "Very Low Carbohydrate Diet".
Back comes 450,000 links. Not all are of equal quality and some are just abstracts but they are generally pretty good and solid sources
The first link that came back was interesting. A Randomized Trial Comparing a Very Low Carbohydrate Diet and a Calorie-Restricted Low Fat Diet on Body Weight and Cardiovascular Risk Factors in Healthy Women. From the study conclusions:
Based on these data, a very low carbohydrate diet is more effective than a low fat diet for short-term weight loss and, over 6 months, is not associated with deleterious effects on important cardiovascular risk factors in healthy women.