Hello. I should agree if someone could provide me one copy of these documents related with the Arpanet: * BBN Report n.2184, "TIP Hardware Manual" * BBN Report n.2161, "A Study of the ARPA Network Design and performance" * BBN Technical Information Report (TIR) n.89, "The Interface Message Processor Program" * BBN Technical Information Report (TIR) n.90, "The Network Control Center Program" * BBN Technical Information Report (TIR) n.91, "The Terminal Interface Message Processor Program" * BBN Technical Information Report (TIR) n.93, "The Remote Job Entry Mini-host" * BBN Reports n.2999, 2930, 3000, 3001, 2931, 3002, 3004, 3056 and 3126, all of them related with the Pluribus IMP. * NIC 6740, "The Network Resource Notebook" * NIC 7104, "ARPA Current Network Protocols" * NIC internal/informal notes named "TIP Users Group Notes" Thanks and Greetings Sergio