one of the country vs one of the countries

Some examples from the web:

• A tragedy in one of the country's most prestigious families.
• List of the 38 people in post at the ACP Secretariat on 31 December 2000 financed under the 6267/REG Agreement, with the indication for each one of the country of origin, function and salary scale.
• Its forests are one of the country's most important economic resources, but they have the time to regenerate.
• ANCHORMAN: Princefield, one of the country's largest and oldest investment banks is the latest institution to find its secrets splashed across the Internet.
• During your language study trip to Switzerland, lots of excursions can be combined with a round trip on one of the country's many lakes.
• A woman is one of the country's most successful directors and women are also sound engineers, heads of casting and cameramen.
• Atlanta is one of the country's top long-haul hubs.
• A trip to Adelaide would not be complete without experiencing the nearby Barossa Valley, one of the country's most renowned wine-producing regions.
• In Poland. LPP, one of the country's largest high-street fashion retailers, has signed a deal to launch a t-shirt collection for men and women across 340 stores.
• The modern incarnation, Luna Park is home to pieces of living history like the Cyclone, one of the country's oldest extent roller coasters, which dates from 1927.
• Prague Castle - an ancient symbol of the Czech State - is the most significant Czech monument and, simultaneously, one of the country's major cultural institutions.
• One of the country's latest projects is the modern ski resort which has been named "Sky Resort" and is opening for the first time for the 2009/10 winter season.
• Politics - it has found Novel - have need, for its same well-being, to return to listen to the associations as carriers of interests of the various truths that compose the economic and social woven one of the Country.
• It is therefore deeply worrying that one of the country's foremost opposition representatives in Parliament has disappeared.
• Matthew is one of the country's leading cancer researchers.
• Here is one of the country and among themselves.
• Sdergren established himself as one of the country's most visionary businessmen.
• It is one of the country's largest wetlands.
• It has encouraged the Algerian authorities to ensure the continuation of a free press in Algeria, as one of the country's most positive achievements.
• Investment banker Charles Traynor founded RSR, one of the country's most successful venture capital firms.

Some examples from the web:

• Albania is one of the countries which receive Community co-funding in various forms.
• Specifically, they argued that the negative undercutting found for one of the countries precluded cumulation.
• And I am also expecting the rapporteur to produce an oral amendment tomorrow with regard to at least one of the countries involved in the processing of pears.
• In this respect, Romania is one of the countries which possess a significant amount and variety of flora and fauna.
• However, at that time, Austria was one of the countries that worked particularly effectively and closely with the European Parliament.
• Portugal is one of the countries most vulnerable to this type of incident.
• The Commission also provides direct support to Bangladesh, as it is one of the countries that are under the greatest threat due to climate change.
• According to official estimates, Italy is one of the countries recording the highest number of workplace accidents in the European Union.
• Finally, it was mentioned that export sales from one of the countries concerned were channelled through related companies.
• Castello di Bojnice Slovakia is one of the countries with the greatest number of castles, château and mansion houses in all whole Europe.
• In point of fact, Morocco is one of the countries they will be studying in that context.
• The United Kingdom is one of the countries which has a problem with lead piping.
• I represent one of the countries which has citizens as hostages there.
• You know what I am talking about, since Greece is one of the countries that has the most responsibilities in this sector.
• I find it disturbing, to say the least, that Romania is one of the countries exempted by the United States of America.
• Greece is one of the countries which recently pushed through special legislation supposedly designed to fight terrorism and organised crime.
• The First Meeting of States Parties to the Convention will take place from 9-12 November in Vientiane, Lao PDR, one of the countries most contaminated by unexploded cluster bombs.
• Liberia is one of the countries that has been hardest hit by the epidemic.
• If you are calling from one of the countries listed below you can call us directly using the appropriate number.
• This translates into one of the countries with fewer thefts per capita, en una humildad generalizada y unos habitantes hospitalarios.