I read with interest, but no surprise, the Nov. 28 article "Not Enough Substitute Teachers to Go Around," about the grave shortage of substitute teachers.

This, Birley remarked, despite the "mounting political crisis at home" and the grave shortage of equipment and clothing "in rationed and straitened Britain".

The exodus has already created a grave shortage of medical services in East Germany, and Bonn has allotted some $200 million for emergency aid.

An increasingly industrial Catalonia had to contend with a grave shortage of energy resources and the weakness of the domestic Spanish market.

In February 2006 the school had problems feeding its students due to a grave shortage of mealie meal.

In the South West Pacific, the Army found that its force structure was completely unbalanced, with a preponderance of operational units and a grave shortage of logistical units.

XI On the spur of the moment one day, based on two considerations, I made my first command decision: good winds during patrol and a grave shortage of supplies.

Despite these figures, grave shortages persisted.

Moreover, the stringent regulation requiring mothers to go to work when their newborn children are 6 weeks old has created a grave shortage of child care slots for infants.

Ms. Santillán's plight underscored a debate in about the ethics of risky second-transplant operations at a time of grave shortages of human organs.