Seeman, J.T. JACoW Geneva, Switzerland 978-3-95450-187-8 10.18429/JACoW-eeFACT2016-THS1H6 English 206-209 THS1H6 ion injection gun collider booster Contribution to a conference proceedings 2017 2017-07 https://doi.org/10.18429/JACoW-eeFACT2016-THS1H6 http://jacow.org/eefact2016/papers/ths1h6.pdf Summary of Injector and Beam Injection: This summary covers the Injection and Sources Session of the e⁺e⁻ Factories Workshop 2016, which had six presentations. Here we discuss the goals for top-up injection for a collider and their sources and then covers the highlights, discussion topics, and future plans for each presentation.