史料是党史资料丛书的基础，它的真实可靠是丛书的价值所在。因此，要保证丛书的质量，就必须把好史料真实关，在史料的准确性上下功夫。近几年，我们在这方面做了大量艰苦细致的工作，考证、甄别了不少史实，保证了丛书的质量。由于早年亲身经历革命活动的老同志健在的已经不 Historical data is the foundation of the history books of the party history. Its authenticity is the value of the books. Therefore, in order to ensure the quality of the series, it is necessary to make the historical materials truly relevant and work hard on the accuracy of the historical materials. In recent years, we have done a great deal of painstaking work in this area. We have carried out textual research and screened a great deal of historical facts to ensure the quality of the books. Since the old comrades who personally experienced the revolutionary activities in their early years are no longer active,