Her Majesty's Stationery Office,4 HMSO,3 Hydrographic Office,2 Harvarindo,2 Hydroggrapher of the Navy,2 Hikmah,2 Hanindita,2 HMSO Publications Centre,1 Harper Collins,1 Hydrograpic Department Maritime and Port Authority of Singapore,1 HarperCollins,1 Hobbs The Printers,1 Hartnolls,1 Hodder and Stoughton Educational,1 Hodder and Stoughton,1 Hasanuddin University,1 Hope Servis,1 Health promotion board,1 Houghton Mifflin Company,1 Heineman,1