DECIMAL CLASSIFICATION 
041.3 South central Scotland 
.31 Forfar .32 Perth  ".33 Fife .34 Kinross .35 Clack- 
mannan .36 Sterling .37 Dumbarton .38 Argyll .39 Bute 
Southern Scotland 
.41 Renfrew .42 Ayr .43 Lanark .44 Linlithgow .445 Edin- 
burgh .45 Haddington .455 Berwick .46 Peebles .465 Selkirk 
.47 Roxburgh .48 Dumfries .49 Kirkcudbright .495 Wigton 
041.5 Ireland 
Period divisions 
Early history 
Separate kingdoms 
Conquest by Henry 2 
Plantagenet 
Lancaster and York 
Tudors 
Stuarts 
Closing with treaty of Limerick 
Hanover 
Closing with the union 
19th century 
Early 20th century 
Government of Ireland act, 1920 
Northern Ireland 
Southern Ireland 
Irish Free State act, 1922 
Irish Free State 1922— 
Geografic divisions of Ireland 
041.6 Ulster 
61 Antrim .62 Londonderry .63 Donegal .64 Tyrone 
.65 Down .66 Armagh .67 Monaghan .68 Fermanagh 
69 Cavan 
Connaught 
71 Leitrim .72 Sligo 73 Mayo .74 Galway .75 Ros- 
common 
Leinster 
.81 Longford 815 West Meath ~~ .82 Meath .825 Louth 
.83 Dublin .84 Wicklow .85 Kildare .86 King's co. 
.87 Queen's co. .88 Carlow .885 Wexford 89 Kilkenny 
Munster 
.91 Waterford .92 Tipperary .93 Clare 
.95 Cork .96 Kerry 
042 En gland Including works on Great Britain 
Period divisions 
For specially minute work the 6th figure printed for each soveren may be used; e. g 
Henry 7 is 942.051 
Anglo-Saxon B. C. 55-A. D. 1066 
Prehistoric, Roman, British, Danish 
Norman 1006-1154 
1 William 1 1066-87 2 William 2 1087-1100 3 Henry 1 
1100-35 4 Stephen 1135-54 
Plantagenet 1154-1399 
1 Henry 2 1154-89 2 Richard 1 1189-99 3 John 1109-1216 
4 Henry 3 1216-72 5 Edward 1 1272-1307 6 Edward 2 
1307-27 7 Edward 3 1327-77 8 Richard 2 1377-09 
4