These .alf archives all came from the Holmes Archive, CD 2.

Atari Archives/Dos/:
  mtosv3.alf

Atari Archives/Telecomm/PRO_BBS/:
  bbsmio.alf [*]
  gotcha.alf

Atari Archives/Text/:
  infocom1.alf
  infocom2.alf

Programming/Misc/:
  aprog.alf [*]

Programming/Action!/:
  atutor.alf [*]

Files marked with [*] have garbage appended to them. These are
^Z ($1A) bytes, probably put there by a dumb BBS file transfer
program or a dumb OS (CP/M? MS-DOS 1.0?).