Three years ago I published on this blog the first of my "Chronology" compilations of links to posts with a common theme. That first chronological compilation brought together links to posts on the transition from Apollo to the Space Shuttle. The aim was to impose chronology on posts that do not occur in chronological order in this blog as an aid to reader understanding.
This, my fourth "Chronology" compilation, updates that first compilation. I've added links to three posts dating from 1968, 1970, and 1972; that is, near the start, at the middle, and near the end of the planning phase of the Apollo-Shuttle transition.
"A True Gateway": Robert Gilruth's June 1968 Space Station Presentation
Series Development: A 1969 Plan to Merge Shuttle and Saturn V to Spread Out Space Program Cost (December 1969)
Think Big: A 1970 Flight Schedule for NASA's 1969 Integrated Program Plan (June 1970)
McDonnell Douglas Phase B Space Station (June 1970)
From Monolithic to Modular: NASA Establishes a Baseline Configuration for a Shuttle-Launched Space Station (July 1970)
An Alternate Station/Shuttle Evolution: The Spirit of '76 (August 1970)
Apollo's End: NASA Cancels Apollo 15 & Apollo 19 to Save Station/Shuttle (August-September 1970)
The Last Days of the Nuclear Shuttle (February 1971)
A Bridge From Skylab to Station/Shuttle: Interim Space Station Program (April 1971)
Where to Launch and Land the Space Shuttle? (April 1972)
"Still Under Active Consideration": Five Proposed Earth-Orbital Apollo Missions for the 1970s (August 1972)