| Preface and Introduction | 34:03 | Read by Melanie T | 
                        
                        
                            | Part 1 Chapter 1: Foundation of Sidereal Astronomy, part 1 | 32:35 | Read by Jim Locke | 
                        
                        
                            | Part 1 Chapter 1: Foundation of Sidereal Astronomy, part 2 | 24:33 | Read by Jim Locke | 
                        
                        
                            | Part 1 Chapter 2: Progress of Sidereal Astronomy, part 1 | 38:28 | Read by aniroo | 
                        
                        
                            | Part 1 Chapter 2: Progress of Sidereal Astronomy, part 2 | 42:02 | Read by aniroo | 
                        
                        
                            | Part 1 Chapter 3: The Progress of Knowledge Regarding the Stars, part 1 | 29:59 | Read by realisticspeakers | 
                        
                        
                            | Part 1 Chapter 3: The Progress of Knowledge Regarding the Stars, part 2 | 33:26 | Read by realisticspeakers | 
                        
                        
                            | Part 1 Chapter 4: Planetary Discoveries, part 1 | 36:42 | Read by timli | 
                        
                        
                            | Part 1 Chapter 4: Planetary Discoveries, part 2 | 29:36 | Read by Jim Locke | 
                        
                        
                            | Part 1 Chapter 5: Comets, part 1 | 30:53 | Read by Availle | 
                        
                        
                            | Part 1 Chapter 5: Comets, part 2 | 30:16 | Read by Availle | 
                        
                        
                            | Part 1 Chapter 6: Instrumental Advances | 47:41 | Read by Jim Locke | 
                        
                        
                            | Part 2 Chapter 1: Foundation of Astronomical Physics, part 1 | 29:30 | Read by Jim Locke | 
                        
                        
                            | Part 2 Chapter 1: Foundation of Astronomical Physics, part 2 | 24:24 | Read by Jim Locke | 
                        
                        
                            | Part 2 Chapter 2: Solar Observations and Theories, part 1 | 33:41 | Read by Jim Locke | 
                        
                        
                            | Part 2 Chapter 2: Solar Observations and Theories, part 2 | 36:14 | Read by Jim Locke | 
                        
                        
                            | Part 2 Chapter 3: Recent Solar Eclipses, part 1 | 37:52 | Read by Melanie T | 
                        
                        
                            | Part 2 Chapter 3: Recent Solar Eclipses, part 2 | 29:20 | Read by laurencetrask | 
                        
                        
                            | Part 2 Chapter 3: Recent Solar Eclipses, part 3 | 22:50 | Read by laurencetrask | 
                        
                        
                            | Part 2 Chapter 4: Solar Spectroscopy, part 1 | 31:34 | Read by Ann Boulais | 
                        
                        
                            | Part 2 Chapter 4: Solar Spectroscopy, part 2 | 28:51 | Read by Ann Boulais | 
                        
                        
                            | Part 2 Chapter 5: Temperature of the Sun | 32:44 | Read by Jim Locke | 
                        
                        
                            | Part 2 Chapter 6: The Sun's Distance | 50:48 | Read by Jim Locke | 
                        
                        
                            | Part 2 Chapter 7: Planets and Satellites, part 1 | 24:12 | Read by realisticspeakers | 
                        
                        
                            | Part 2 Chapter 7: Planets and Satellites, part 2 | 39:38 | Read by realisticspeakers | 
                        
                        
                            | Part 2 Chapter 7: Planets and Satellites, part 3 | 36:34 | Read by realisticspeakers | 
                        
                        
                            | Part 2 Chapter 8: Planets and Satellites continued, part 1 | 31:51 | Read by realisticspeakers | 
                        
                        
                            | Part 2 Chapter 8: Planets and Satellites continued, part 2 | 26:39 | Read by realisticspeakers | 
                        
                        
                            | Part 2 Chapter 8: Planets and Satellites continued, part 3 | 27:02 | Read by realisticspeakers | 
                        
                        
                            | Part 2 Chapter 8: Planets and Satellites continued, part 4 | 25:16 | Read by realisticspeakers | 
                        
                        
                            | Part 2 Chapter 9: Theories of Planetary Evolution | 45:52 | Read by Aaron Carlow | 
                        
                        
                            | Part 2 Chapter 10: Recent Comets, part 1 | 35:41 | Read by Aaron Carlow | 
                        
                        
                            | Part 2 Chapter 10: Recent Comets, part 2 | 31:59 | Read by Aaron Carlow | 
                        
                        
                            | Part 2 Chapter 11: Recent Comets continued, part 1 | 32:57 | Read by Aaron Carlow | 
                        
                        
                            | Part 2 Chapter 11: Recent Comets continued, part 2 | 19:49 | Read by Aaron Carlow | 
                        
                        
                            | Pat 2 Chapter 11: Recent Comets continued, part 3 | 31:11 | Read by Aaron Carlow | 
                        
                        
                            | Part 2 Chapter 12: Stars and Nebulae, part 1 | 30:11 | Read by laurencetrask | 
                        
                        
                            | Part 2 Chapter 12: Stars and Nebulae, part 2 | 33:01 | Read by Jim Locke | 
                        
                        
                            | Part 2 Chapter 12: Stars and Nebulae, part 3 | 34:47 | Read by Jim Locke | 
                        
                        
                            | Part 2 Chapter 12: Stars and Nebulae, part 4 | 39:49 | Read by Aaron Carlow | 
                        
                        
                            | Part 2 Chapter 12: Stars and Nebulae, part 5 | 52:32 | Read by Shasta | 
                        
                        
                            | Part 2 Chapter 13: Methods of Research | 1:02:59 | Read by Shasta |